Trigonometry Flashcards: Sine, Cosine, Tangent

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Questions and Answers

What is the value of sin30?

√3/2

√2/2

1/2 (correct)

What is the value of sin45?

1/2

√2/2 (correct)

√3/2

What is the value of sin60?

√2/2

1/2

√3/2 (correct)

What is the value of sin90?

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What is the value of cos30?

√3/2 Signup and view all the answers

What is the value of cos45?

√2/2 Signup and view all the answers

What is the value of cos60?

1/2 Signup and view all the answers

What is the value of cos90?

0 Signup and view all the answers

What is the value of tan30?

√3/3 Signup and view all the answers

What is the value of tan45?

1 Signup and view all the answers

What is the value of tan60?

√3 Signup and view all the answers

What is the value of tan90?

undefined Signup and view all the answers

What is the value of csc30?

2 Signup and view all the answers

What is the value of csc45?

√2 Signup and view all the answers

What is the value of csc60?

2√3/3 Signup and view all the answers

What is the value of csc90?

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What is the value of sec30?

2√3/3 Signup and view all the answers

What is the value of sec45?

√2 Signup and view all the answers

What is the value of sec60?

2 Signup and view all the answers

What is the value of sec90?

undefined Signup and view all the answers

What is the value of cot30?

√3 Signup and view all the answers

What is the value of cot45?

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What is the value of cot60?

√3/3 Signup and view all the answers

What is the value of cot90?

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Study Notes

Sine Values

sin 30° equals 1/2
sin 45° equals √2/2
sin 60° equals √3/2
sin 90° equals 1

Cosine Values

cos 30° equals √3/2
cos 45° equals √2/2
cos 60° equals 1/2
cos 90° equals 0

Tangent Values

tan 30° equals √3/3
tan 45° equals 1
tan 60° equals √3
tan 90° is undefined

Cosecant Values

csc 30° equals 2
csc 45° equals √2
csc 60° equals 2√3/3
csc 90° equals 1

Secant Values

sec 30° equals 2√3/3
sec 45° equals √2
sec 60° equals 2
sec 90° is undefined

Cotangent Values

cot 30° equals √3
cot 45° equals 1
cot 60° equals √3/3
cot 90° equals 0

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Description

Test your knowledge of trigonometric functions with these flashcards covering sine, cosine, and tangent values. Perfect for students preparing for exams or needing a quick review of key trigonometric ratios. Each card presents a specific angle and its corresponding ratio to help reinforce learning.