Modeling with Trigonometric Expressions and Functions: Part One — Test

Question 1

What is 270 degrees converted to radians?

Revolt · Accepted Answer

3 pi over 2

Question 2

If cosecant theta is equal to 8 sevenths , which equation represents cotangent theta ?

Revolt · Accepted Answer

cotangent theta is equal to the fraction with numerator square root of 15 and denominator 7

Question 3

Consider the function y is equal to cosine of x Which change would increase the period by a factor of 3 ?

Revolt · Accepted Answer

Multiply x by 1 third .

Question 4

The angle measures associated with which set of ordered pairs share the same reference angle?

Revolt · Accepted Answer

open paren negative the fraction with numerator square root of 3 and denominator 2 comma negative 1 half close paren , open paren negative 1 half comma negative the fraction with numerator square root of 3 and denominator 2 close paren

Question 5

An arc of length 8 in. is intersected by a central angle in a circle with a radius of 3 in. What is the measure of the angle? Round your answer to the nearest tenth.

Revolt · Accepted Answer

5 point 0 radians

Modeling with Trigonometric Expressions and Functions: Part One — Test Answers

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