TRIGONOMETRY

e) 70

What is the reference angle of 290 degrees? a) 10 b) 20 c) 40 d) 50 e) 70

138 degrees

One of the two supplementary angles is twelve more than three times the value of another. Calculate the measure of the smaller angle.

162.5 degrees

The shortest angle for 1:25

165 degrees

The time on analog clock reads 12:30. What is the angle between the minute hand and hoyr hand of the clock?

b) square root of 3 / 3

What is the exact value of tan( 30) a) 0 b) square root of 3 / 3 c) 1 d) square root of 3 e) square root of 3/ 2

d) cos (3pi/10)

Which of the following expression is equivalent to sin (pi/5)? a) sin (7pi/10) b) cos (6pi/5) c) sin (-4pi/5) d) cos (3pi/10)

d) -sin (pi/3)

Which of the following expressions is equivalent to sin (-pi./3)? a) cos (pi/3) b) -sin (pi/4) c) -cos (pi/3) d) -sin (pi/3)

d) Q4

Identify the quadrant in which sin (z) < 0 and cos (z) > 0 a) Q1 b) Q2 c) Q3 d) Q4

c) -2 square root of 7 / 7

If sin(x) is 5/7, what is the value of cos(x) if pi/2 < x < pi a) -2 square root of 6 / 5 b 5 square root of 6 / 12 c) -2 square root of 6 / 7 d) -7/5 e) -7 square root of 6/ 12

e) 7/24

If sin(x) is 7/25, what is the value of tan(x) if x lies in quadrant 1? a) 24/25 b) 25/7 c) 25/24 d) 24/7 e) 7/24

a) -17/8

If tan(x) is -8/15, what is the value of csc(x) if 3pi/2 < x < 2pi a) -17/8 b) 15/17 c) -17/15 d) -15/17 e) -8/17

60 degrees

The supplement of an angle is four times the complement of the angle. Find the measure if the supplement of the angle.

c) - square root of 3 /2

What is the exact value of cos (210)? a) 0 b) -1/2 c) - square root of 3 /2 d) square root of 2 / 2 e) + square root of 3 / 2

b) 1/2

What is the exact value of cos (60) a) 0 b) 1/2 c) square root of 2 / 2 d) square root of 3 / 2 e) 1

d) 10/9

What is the exact value of cot (x) given the point (-40,-9) which lies on the terminal side of the angle x? a) 9/ 40 b) -9/41 c) -41/40 d) 40/9 e) 41/9

c) square root of 2 /2

What is the exact value of sin (pi/4)? a) 0 b) 1/2 c) square root of 2 /2 d) square root of 3 / 2 e) 1

c) 2

Which of following choices is equivalent to the expression below? 1 + sin^2 (40 degrees) + sin^2 (50 degrees) a) cos (45 degrees) b) sin (90 degrees) c) 2 d) sin (10 degrees)

21pi/8

Which of the following angle is co-terminal to 5pi/8? a) 13pi/8 b) -3pi/8 c) 21pi/ 8 d) 7pi/ 8

pi/3

Which of the following angle is equivalent to 60 degrees? a) pi/2 b) pi/3 c) pi/4 d) pi/6

a) cos (210)

Which of the following expression is equal to cos (-150)? a) cos (210) b) cos (30) c) -cos (150) d) sin (60) e) -sin (240)

102.5 degrees

11:15 to degrees

80 degrees

Convert the time 1:20 to degrees