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13 Questions

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Understanding Trigonometry Concepts

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Questions and Answers

What is the primary focus of trigonometry?

The relationship between triangle sides and angles (correct)

The area of quadrilaterals

Calculating the lengths of cube edges

The properties of circles

What is the correct definition of the sine ratio?

Opposite / Adjacent

Hypotenuse / Adjacent

Adjacent / Hypotenuse

Opposite / Hypotenuse (correct)

In the triangle example provided, what is the value of tan A?

13/5

12/13

12/5

5/12 (correct)

What is the value of cos H given the sides of the triangle?

12/15 Signup and view all the answers

How do you find the angle measure using trigonometric functions?

Use the inverse function of the ratio Signup and view all the answers

What is the first step in finding the side lengths of a triangle using trigonometry?

Determine which trigonometric function to use Signup and view all the answers

What equation would represent a triangle with an angle of 39 degrees and opposite side of 11?

Tan(39) = 11/x Signup and view all the answers

What value should you calculate to find side length x if using Cos(21) = x/26?

x = 26 * Cos(21) Signup and view all the answers

If Tan(34) = 11/x, what is the correct next step after writing the equation?

Rearrange to x = 11 / Tan(34) Signup and view all the answers

What should you ensure before using a calculator for trigonometric functions?

The calculator should be in degree mode Signup and view all the answers

What is the combined equation used to find the side length if Cos(43) = 36/x?

x = 36 / Cos(43) Signup and view all the answers

In the context of the problems, what does x typically represent?

The length of one of the sides of the triangle Signup and view all the answers

After finding the equation Sin(33) = 15/x and calculating the value of x, what process is next?

Calculate using the calculator for the final value of x Signup and view all the answers