What's the period?
Unit Circle
Identify the identity
Simplify the Expression
Solve the trig!
100

sin x - 2

2pi

100

Cos90

0

100

secx in terms of sin and cos

1/cosx

100

tanxcscx

secx

100

sinx = 1/2 show answer in degrees

30

200

2cos 2x - 1

pi

200

sin270

-1

200

cotx in terms of sin and cos

cosx/sinx

200

sinxcscx + tanxcotx

2

200

3cos2x + 2 = 3.5 show answer in degrees

30

300

2cos5x - 2

2pi/5

300

cos45

sqrt2/2

300

csc2x in terms of sin and cos

1/sin2x

300

cos2x / (1-sin2x)

1

300

-4 = 3sinx - 2       ...show answer in degrees, round to the nearest tenth

-41.8 

400

sin(1/3)x

6pi

400

sin(-30)

-1/2

400

tan2x using a pythagorean identity

sec2x - 1

400

sinx(cscx - sinx)

cos2x

400

1 = 3sin2x + 2  ... show answer in degrees, round to the nearest hundredths

-9.75

500

45sin4(x + 9)

pi/2

500

cos420

1/2

500

1 + cot2x using a pythagorean identity

csc2x

500

secx/sinx - tanx

cotx

500

3sinx + 1 = 0  ... show answer in degrees, round to the nearest whole degree

-19