Midterm Review - Trigonometry - Part 1

Question 1

Find sin θ for (-3, 4) is a point on the unit circle.

Accepted Answer

4/5

Question 2

Unit Circle!

Accepted Answer

√(3)/2

Question 3

Find cot θ for (-5, -4)

Accepted Answer

5/4

Question 4

Find cos t for (-779, 2/9) is a point on the unit circle that corresponds to t

Accepted Answer

-77/9

Question 5

Convert -36° to radians

Accepted Answer

-π/6

Question 6

What goes in the circled part of the unit circle?

Accepted Answer

2π/3

Question 7

What is the angle in radians for a point on the unit circle that is at 420 degrees?

Accepted Answer

7π/3

Question 8

Find sec t for (116, 5/6) is a point on the unit circle that corresponds to t

Accepted Answer

6/11

Question 9

Find the reference angle for 420°.

Accepted Answer

30°

Question 10

Unit Circle!

Accepted Answer

B

Question 11

What is the angle in radians for a point on the unit circle that is at 60 degrees?

Accepted Answer

π/3

Question 12

Convert 87° to radians

Accepted Answer

29π/120

Question 13

Find tan t for (58, 39/8) is a point on the unit circle that corresponds to t

Accepted Answer

39/5

Question 14

Find reference angle for 675°

Accepted Answer

45°

Question 15

Find the least positive angle coterminal with -116°.

Accepted Answer

424°

Question 16

Find sin t for the given (29, 77/9) is a point on the unit circle that corresponds to t

Accepted Answer

77/9

Question 17

Convert 9π/6 to degrees

Accepted Answer

540°

Question 18

What is the x coordinate on a unit circle of a 45o angle?

Accepted Answer

√2/2

Question 19

What angle (in degrees) is highlighted in the unit circle below?

Accepted Answer

330°

Question 20

Which ratio is (y-coordinate / radius) in the unit circle?

Accepted Answer

sinθ

Question 21

Find the least positive angle coterminal with 652°.

Accepted Answer

326°

Question 22

4π/7 in degrees is 103.86°

Accepted Answer

False

Questions 22