Mathematica: Trigonometric e Logarithmique Identitates

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Questions and Answers

Qual del sequente expressiones es equivalente a $\sin(\theta + \beta)$?

  • $\cos \theta \cos \beta - \sin \theta \sin \beta$
  • $\cos \theta \cos \beta + \sin \theta \sin \beta$
  • $\sin \theta \cos \beta - \cos \theta \sin \beta$
  • $\sin \theta \cos \beta + \cos \theta \sin \beta$ (correct)

Es ver que $\cos(-\theta) = -\cos(\theta)$?

False (B)

Simplifica le expression: $\tan(\theta - \beta)$

$\frac{\tan \theta - \tan \beta}{1 + \tan \theta \tan \beta}$

$\sin(2\theta) = $ ______

<p>$2 \sin \theta \cos \theta$</p> Signup and view all the answers

Qual es le identitate de co-function pro $\cos(\frac{\pi}{2} - \theta)$?

<p>$\sin(\theta)$ (A)</p> Signup and view all the answers

Es $\tan(-\theta) = \tan(\theta)$?

<p>False (B)</p> Signup and view all the answers

Associa le sequente identitates trigonometric con lor expressiones correcte:

<p>$\sin(\theta + \beta)$ = $\sin \theta \cos \beta + \cos \theta \sin \beta$ $\cos(\theta + \beta)$ = $\cos \theta \cos \beta - \sin \theta \sin \beta$ $\tan(\theta + \beta)$ = $\frac{\tan \theta + \tan \beta}{1 - \tan \theta \tan \beta}$</p> Signup and view all the answers

Qual del sequente affirmationes es correcte re le logarithmo natural?

<p>ln e = 1 (B)</p> Signup and view all the answers

Es ver que $e^{ln x} = x$ pro omne valores de x?

<p>False (B)</p> Signup and view all the answers

Simplifica le expression: $ln(e^5)$

<p>5</p> Signup and view all the answers

Secundo le formulas de cambio de base, $log_b a = \frac{ln a}{______}$

<p>ln b</p> Signup and view all the answers

Qual es le equivalente de $ln(xy)$ ?

<p>$ln(x) + ln(y)$ (B)</p> Signup and view all the answers

Es ver que $a^m * a^n = a^{m*n}$?

<p>False (B)</p> Signup and view all the answers

$a^0 = ______$, ubi a ≠ 0.

<p>1</p> Signup and view all the answers

Associa le proprietates del exponentes con lor expressiones:

<p>$a^m a^n$ = $a^{m+n}$ $(a^m)^n$ = $a^{mn}$ $\frac{a^m}{a^n}$ = $a^{m-n}$</p> Signup and view all the answers

Qual es le objectivo de Emmanuel con le 'Maths Handbook and Study Guides'?

<p>A demystificar le mathematicas e adjutar studentes a attinger lor potential. (C)</p> Signup and view all the answers

Le libros de Emmanuel es solmente compatibile con certe libros de calculo.

<p>False (B)</p> Signup and view all the answers

Quales characteristicas distingue le libros de Emmanuel?

<p>Clar, simple, visual e logic</p> Signup and view all the answers

Emmanuel usa codification de colores pro facilitar ______, definitiones, formulas e recapitos de travalio passate.

<p>explicationes</p> Signup and view all the answers

Associa le sequente personas con lor rolos mentionate in le texto:

<p>Emmanuel Chauke = Autor de 'Maths Handbook and Study Guides' Mr. Chauke T.E = Mentor de Emmanuel Prof Gopal Raja = Un del lecturers passate de Emmanuel Dr K.Adem = Un del lecturers passate de Emmanuel</p> Signup and view all the answers

Qual es un characteristic principal del scriptura de Emmanuel?

<p>Claritate e simplicitate. (C)</p> Signup and view all the answers

Emmanuel solmente adjuta studentes qui ama le mathematicas e le logica.

<p>False (B)</p> Signup and view all the answers

Que assecura Emmanuel con su travalio?

<p>Es actualisate e convenibile pro cursos de calculo e studentes del Curriculum National.</p> Signup and view all the answers

In le exemplo a), qual identitate trigonometric es usate pro simplificar le equation?

<p>cos 2𝑥 = 1 − 2sin2 𝑥 (C)</p> Signup and view all the answers

In le equation sin 𝑥 + 2 = 0 del exemplo a), il existe un solution valide pro 𝑥.

<p>False (B)</p> Signup and view all the answers

In le exemplo b), post substituer sin 2𝑥, que es le proxime passo pro solver le equation?

<p>Subtraher $6\cos x$ e $3$ de ambe lateres.</p> Signup and view all the answers

In le exemplo a), le factores del equation quadratic $2sin^2 x + 3 sin x - 2 = 0$ es $(2 sin x - 1)$ e $(sin x + ______)$.

<p>2</p> Signup and view all the answers

Qual es le rango de $x$ in exemplo a)?

<p>$-2π ≤ x ≤ 2π$ (B)</p> Signup and view all the answers

In le exemplo b), le factor $(2 cos 𝑥 + 1)$ debe equalar a zero pro solver le equation.

<p>True (A)</p> Signup and view all the answers

In le exemplo b), que valor de sin x face le secunde factor equal a zero?

<p>3</p> Signup and view all the answers

Combine le equation trigonometric con le passo initial associate pro solver lo:

<p>cos 2𝑥 − 3 sin 𝑥 = −1 = Applica le identitate de angulo duple sin 2𝑥 + sin 𝑥 = 6 cos 𝑥 + 3 = Subtrahe terminos pro equalisar a zero 4cos2 𝑥 + sin 2𝑥 − 1 = 0 = Reorganisa e factorisa sin 2𝑥 + 2 sin 𝑥 + cos 2 𝑥 + cos 𝑥 = 0 = Factorisa per gruppos</p> Signup and view all the answers

Qual del sequente es un proprietate de un function?

<p>Asymptotas (D)</p> Signup and view all the answers

Un function assigna a cata elemento x in un insimul D exactemente duo elementos in un insimul E.

<p>False (B)</p> Signup and view all the answers

Qual es le formato general de un function linear?

<p>f(x) = mx + c</p> Signup and view all the answers

Le insimul de tote le valores de output (valores de f(x)) de un function es appellate le ______.

<p>ambito</p> Signup and view all the answers

Associa le sequente conceptos con lor definitiones:

<p>Dominio = Le insimul de tote le valores de input (x) pro un function. Ambito = Le insimul de tote le valores de output (f(x)) pro un function. Asymptota = Un linea que le graphico de un function approxima ma nunquam crucia. Periodo = Le intervallo super qual un function periodic repete su valores.</p> Signup and view all the answers

Solver pro x: $tan(x) = 3$

<p>$x = 1.23 + \pi k, k \in \mathbb{Z}$ (B)</p> Signup and view all the answers

Si $cos(x) = -1$, alora $x = 0 + 2\pi k, k \in \mathbb{Z}$

<p>False (B)</p> Signup and view all the answers

Solve pro $x$: $2 sin x + cos x = 0$

<p>x = 0.464 + πk , k ∈ ℤ</p> Signup and view all the answers

Qual es le dominio del function $f(x) = \sqrt{x+4}$?

<p>$[-4, \infty)$ (A)</p> Signup and view all the answers

Es le rango del function $f(x) = 2x - 1$ con dominio $[-1, 1]$ equal a $[-3, 1]$?

<p>True (A)</p> Signup and view all the answers

Si $f(x) = x^2$ con dominio $[-1, 3]$, qual es le maximo valor del rango?

<p>9</p> Signup and view all the answers

Pro le function $f(x) = \frac{x}{x-2}$, le function es indefinite quando $x$ es equal a ______.

<p>2</p> Signup and view all the answers

Qual es le rango del function $f(x) = x^2$ con dominio $[-1,3]$?

<p>$[0, 9]$ (B)</p> Signup and view all the answers

Es le dominio del function $f(x) = \frac{x+1}{x-1}$ equal a $[1, \infty)$?

<p>False (B)</p> Signup and view all the answers

Qual es le valor de $f(2)$ pro le function $f(x) = \frac{2x + 1}{2x}$?

<p>1.25</p> Signup and view all the answers

Apparea le functiones con lor dominio correspondente:

<p>$f(x) = 2x - 1$, $-1 \leq x \leq 1$ = $[-1, 1]$ $f(x) = x^2$, $-1 \leq x \leq 3$ = $[-1, 3]$ $f(x) = \sqrt{x + 4}$ = $[-4, \infty)$ $f(x) = \frac{2x + 1}{2x}$, $1 \leq x \leq 4$ = $[1, 4]$</p> Signup and view all the answers

Flashcards

log e x

Equivalente a ln x, la logarithm natural de x.

Emmanuel Chauke

An informative tutor skilled in math and logic education.

ln a / log a

Formula de cambio de base per logaritmi.

Comprehensive guide for Introductory Algebra

A book written to address common student struggles in algebra.

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ln e

La logarithm natural de e, resulta in 1.

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Color coding in books

A method used to enhance understanding by visually organizing information.

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ln 1

La logarithm natural de 1, resulta in 0.

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Maths made Easy

A subtitle that reflects the aim to simplify mathematics for students.

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Demystifying Maths

The objective to make math more accessible and understandable.

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ln x = y

Equivalente a e^y = x, relazione importante.

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Differential and Integral Calculus

Advanced topics in calculus that Emmanuel’s resources support.

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ln xy

La somma de ln x e ln y, ln xy = ln x + ln y.

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Suitable for National Curriculum

Emmanuel's materials align with educational standards set for students.

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a^m * a^n

Le proprietate: a^(m+n) quando a es igual.

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a^0

Qualque a non-zero raised to the zero es 1.

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Logic in education

A crucial component in understanding math subjects effectively.

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Soluciones de ecuaciones trigonométricas

Valores de 𝑥 que satisfacen ecuaciones como 3 cos 𝑥 − sin 𝑥 = 0.

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Tangente

Relación entre seno y coseno, tan 𝑥 = sin 𝑥 / cos 𝑥.

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Dominio de una función

Conjunto de todos los valores posibles de entrada (𝑥).

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Rango de una función

Conjunto de todos los valores posibles de salida (𝑓(𝑥)).

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Funciones lineales

Funciones que siguen la forma 𝑓(𝑥) = 𝑚𝑥 + 𝑐.

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Asintotas

Líneas que una gráfica se aproxima pero nunca toca.

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Periodo de una función

El valor mínimo para que una función se repita.

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Amplitud

La altura máxima de una función desde su línea central.

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tan 2𝜃

Formula for tangent of double angle: tan 2𝜃 = 1 - tan²𝜃

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sin(𝜃 + 𝛽)

Sum formula for sine: sin(𝜃 + 𝛽) = sin 𝜃 cos 𝛽 + cos 𝜃 sin 𝛽

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sin(𝜃 − 𝛽)

Difference formula for sine: sin(𝜃 − 𝛽) = sin 𝜃 cos 𝛽 - cos 𝜃 sin 𝛽

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cos(𝜃 + 𝛽)

Sum formula for cosine: cos(𝜃 + 𝛽) = cos 𝜃 cos 𝛽 - sin 𝜃 sin 𝛽

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cos(𝜃 − 𝛽)

Difference formula for cosine: cos(𝜃 − 𝛽) = cos 𝜃 cos 𝛽 + sin 𝜃 sin 𝛽

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tan(𝜃 + 𝛽)

Sum formula for tangent: tan(𝜃 + 𝛽) = (tan 𝜃 + tan 𝛽) / (1 - tan 𝜃 tan 𝛽)

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tan(𝜃 − 𝛽)

Difference formula for tangent: tan(𝜃 − 𝛽) = (tan 𝜃 - tan 𝛽) / (1 + tan 𝜃 tan 𝛽)

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sin(−𝜃)

Negative angle identity for sine: sin(−𝜃) = − sin 𝜃

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Identidade do double angle

A fórmula para coseno do ângulo dobrado: cos 2x = 1 - 2sin² x.

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Equação quadrática

Uma equação do tipo ax² + bx + c = 0, que pode ser fatorizada.

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Fatoração

O processo de reescrever uma expressão como o produto de fatores.

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Intervalo de solução

O domínio em que a solução de x é válida, como -2π ≤ x ≤ 2π.

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Solução para sen x

Os valores de x para os quais sen x = 0 pode levar a múltiplas soluções.

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Cosseno e seno

Funções trigonométricas que relacionam ângulos a lados em triângulos.

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Identidade trigonométrica

Uma equação envolvendo seno e cosseno que é verdadeira para todos os ângulos.

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Substituição

Trocar uma função por outra, como substituir sen 2x por 2sen x cos x.

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Functio linear

Functio de forma f(x) = ax + b, con dominio specific.

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Dominio

Conjunto de valores que x puede assumir en una functio.

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Range (range)

Conjunto de valores resultantes de la functio para el dominio dado.

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f(x) = 2x − 1

Functio linear con dominio [-1, 1], range [-3, 1].

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f(x) = x^2

Functio quadratica con dominio [-1, 3], range [1, 9].

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f(x) = √(x + 4)

Functio radical con dominio [-4, ∞), range [0, ∞).

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Dominio de f(x) = x - 2 / x + 1

Analizara el comportamiento de f(x) y sus limites.

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f(x) = 2x + 2x / 2

Functio non-linear con dominio [1, 4], range [2.5, 8.125].

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Study Notes

Topic: Overview

  • This document is an examination practice book for Differential and Integral Calculus.
  • The book is prepared by Mr. E. Chauke.
  • Photocopying the book without permission is illegal.

Topic: Table Of Contents

  • Overview:
    • There is an algebra refresher
    • Information about the author
    • Acknowledgements
    • Purpose of the book.
    • Important messages for the students.
  • Chapter 1: Absolute Values/Modulus
  • Chapter 2: The Relationship between Radians and Degrees
  • Chapter 3: Solving Logarithmic and Trigonometric Equations
  • Chapter 4: Functions
  • Chapter 5: The Limit of a Function
  • Chapter 6: Derivatives of ordinary functions
  • Chapter 7: Derivatives of trigonometric functions
  • Chapter 8: Derivatives of exponential and logarithmic functions
  • Chapter 9: Implicit and Higher Order Differentiation
  • Chapter 10: Derivatives of the inverse trigonometric functions
  • Chapter 11: L'Hopital's Rule
  • Chapter 12: Rolle's & Mean Theorem
  • Chapter 13: Application of Calculus
  • Chapter 14: Integration
  • Chapter 15: The Areas Between the Curves
  • Chapter 16: The Arc Length
  • Summary and Formulas
  • Check Yourself Questions
  • Testbanks & Exams Papers
  • Memorandums
  • Trigonometry Tool-Box (Trigonometric ratios in right-angled triangles and identities.)
  • Fundamental Identities / Negative Angles (Sin(-0), cos(-0), tan(-0), cosec(-0), sec(-0), and cot(-0))
  • Trigonometric Quadrants
  • Periodic Formulas
  • Algebra Refresher
  • About the Author
  • Acknowledgements

Topic: About The Author

  • Emmanuel Chauke is a post-graduate in Mathematical Sciences.
  • He has been giving extra lessons in Calculus and Algebra for three years.
  • He aims to demystify mathematics for students.

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