Unit 2 Reg & Inverse Trig

Approx. Value

100

sin 64° to the nearest hundredth

0.90

200

tan 4 to the nearest hundredth

1.16

300

cos^-1 .4  in the nearest hundredth in degrees

66.42° 

400

csc 190° to the nearest hundredth

-5.76

500

sec^-1 4 to the nearest hundredth in radians

1.32

Exact Value w/ degrees

100

cos 30° 

√3/ 2

200

tan 270° 

undefined

300

sin 210° 

- 1/2

400

sec -330° 

2√3 / 3

500

cot 675° 

-1

Exact Value w/ radians

100

sin π/4

√2 / 2

200

cot 3π / 2

0

300

cos(8π / 3)

- 1/2

400

sin(−11π / 3)

√3 / 2

500

csc (7π / 4) 

-√2

Exact Angle

100

cos^-1 (1/2) in degrees

60° 

200

tan^-1 √3 in radians 

π/3

300

sin^-1 (-1/2) in degrees

-30° 

400

cot^-1 0 in radians

π / 2

500

sec^-1 (-2√3 / 3) in degrees

150°