Angles
Unit Circle
Trig Functions
????
100

What is the reference angle of 240?


60

100

What is cos 30 on the unit circle?

√3/2

100

n a 3 4 5 triangle, what does cos theta and sin theta equal

3/5 and 4/5

100

What is the sin of 123

.8387

200

Convert 108 degrees to radians.

3pi/5

200

when sin is -1/2 what is the angle in radians

7π/6 or 11π/6




200

what is tan theta of a 7 9 13 triangle when 7 is adjacent

9/7

200

Find the cos for the angle theta whose terminal side passes through the point (-8,-5)?

cos = -8/√89


300

Convert 68(pi)/20 to degrees

612 degrees

300

What is the cotangent of 45 on the unit circle?

1

300

what is cotangent theta equal to in a 23 27 29 triangle when 27 is adjacent

27/23

300

A ship traveled 10 miles north and 20 miles east, what bearing does he need to return to port.

S 26.57 W

400

What is the coterminal angle for 240, give a negative and positive answer.

500, -120

400

In what quadrants and angles is cos negative on the unit circle?

quadrants 2 and 3

angles: 120, 135, 150, 180, 210, 225 240

400

In a 6 8 10 triangle, what does secant theta and cosecant theta equal

10/8 and 10/6

400

On a 13, 16, 24 triangle, what is theta between 24 and 16

39.09