Unit 10 Trig Formula

Sum Angeles

100

sin (30°)

1/2

200

sin(75°)

√6+√2

—

4

300

cos(45°+0°)

√2∕2

400

cos(75°)

 √6-√2 ∕4

500

tan(75°)

2+√3

Difference Angeles

100

cos(90°-60°)

√2∕3

200

sin(60°+30°)

1∕2

300

sin(15°)

√6-√2 ∕4

400

cos(15°)

√6+√2 ∕2

500

tan(15°)

2-√3

Double Angeles

100

sin 120°

√3∕2

200

tan(60°)

√3

300

cos 4π∕2

-1∕2

400

Find cos ⁡(2x) if cos ⁡x=4∕5

7∕25

500

Find tan⁡(2x) if cos ⁡x=1∕5

4∕3

Half Angeles

100

sin 30°

1∕2

200

cos 30°

√3∕2

300

sin 165°

√2-√3∕2

400

If given cosθ=3∕5 Find sin(θ/2)

√5∕5

500

If given cosθ= -3∕5 Find tan(θ/2)

2

Wild

100

Omune's favorite teacher

What is Ms. Battista

200

Ms. Battista's favorite student

Who is Omune Sadiq?

300

The city Ms. Batista grew up in

What is Chicago?

400

Name of New West PLUS principal.

Del Ro?

500

The score the whole class is getting on this years final 

What is 67%?