Degrees to Radians
Radians to Degrees
Sine and Cosine
30-60-90/ Inverse
Composite Inverse
100

300

5π/3

100

pi/18

10

100

sin (630)

-1

100
Find the hypotenuse of this triangle, if the side opposite the 30 degree angle is 10.
20
100

sin(arcsin0.62)

0.62

200

450

5pi/2

200

5pi/9

100

200

cos(-420)

1/2
200
Find the side opposite the 60 degree angle, if the hypotenuse is 12.
6√3
200

sin(arccos(-2/3))

sqrt(5)/3

300

-570

-19pi/6

300

7pi/12

105

300

sin(15pi/4)

-√2/2

300
Find the side opposite the 30 degree angle, if the side opposite the 60 degree angle is 6.
2√3
300

arcsin(sin(5pi/4))

-pi/4

400

Coterminal with -186 and positive

174

400

sec(10pi/3)

-2

400

arcsin(-1)

-pi/2

400

tan(arcsin3/5))

3/4

500

Reference angle for -496

44

500
For what angles between 0 and 360 degrees does the cosine equal 1/2?
60 and 300
500

arctan(-sqrt(3))

-pi/3

500

arccosine(cos(-pi/3))

2pi/3

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