Finding Exact Trig Values

Question 1

Find the exact value of sin(930o).

Accepted Answer

-1/2

Question 2

Find the exact value of cos(0o).

Accepted Answer

1

Question 3

Find the exact value of sin(315o).

Accepted Answer

-√2/2

Question 4

Which of the following are equivalent to cos (2π/3)? Select all that apply.

Accepted Answer

cos (-4π/3), sin (330°)

Question 5

Find the exact value of tan(-330o).

Accepted Answer

√3/3

Question 6

Find the exact value of sin(-690o).

Accepted Answer

1/2

Question 7

Find the exact value of tan(-7π/3).

Accepted Answer

-√3

Question 8

Find the exact value of tan(-3π/4).

Accepted Answer

1

Question 9

Find the exact value of cos(π).

Accepted Answer

-1

Question 10

Find the exact value of sin(180o).

Accepted Answer

0

Question 11

Find the exact value of tan(150o).

Accepted Answer

-√3/3

Question 12

Find the exact value of cos(25π/6).

Accepted Answer

√3/2

Question 13

Which of the following are equivalent to sin (120°)? Select all that apply.

Accepted Answer

sin (-300°), cos (330°), sin (840°)

Question 14

Find the exact value of cos(11π/3).

Accepted Answer

1/2

Questions 14