Trigonometric Functions — Test

Question 1

What is the approximate length of arc s on the circle? Use 3 point 1 4 for pi Round your answer to the nearest tenth.

Revolt · Accepted Answer

14 point 1 in.

Question 2

What is the equation of the graph?

Revolt · Accepted Answer

y is equal to cosine of open paren x plus pi close paren

Question 3

Which function describes the graph?

Revolt · Accepted Answer

f of x is equal to 3 cosine x plus 3

Question 4

What are two possible measures of the angle?

Revolt · Accepted Answer

negative 270 degrees and 90 degrees

Question 5

Which of the following could be the equation of the function?

Revolt · Accepted Answer

y is equal to 0 point 5 cosine open paren 4 times open paren x plus pi over 2 close paren close paren minus 2

Question 6

What is the equation of the graph?

Revolt · Accepted Answer

y is equal to sine of open paren x plus 90 degrees close paren

Question 7

Which statements are true about triangle QRS ? Choose three correct answers.

Revolt · Accepted Answer

The side opposite angle cap q is line segment RS .; The side adjacent to angle cap q is line segment QS .; The hypotenuse is line segment QR .

Question 8

Given triangle JKL , sine of open paren 38 degrees close paren equals

Revolt · Accepted Answer

cosine of open paren 52 degrees close paren .

Question 9

Which of the following could be the measure of the angle?

Revolt · Accepted Answer

negative 180 degrees

Question 10

Given right triangle ABC , what is the value of tangent of cap A ?

Revolt · Accepted Answer

12 fifths

Trigonometric Functions — Test Answers