Right Triangle Trigonometry

What is the correct ratio?

• sin 40 = w/28

• cos 40 = w/28

• tan 40 = w/28

• sin 40 = 28/w

What is the cosine of angle P?

• p/q

• q/r

• p/r

• r/q

Set up the problem...

• sin X = 41/28

• tan X = 41/28

• cos X = 28/41

• sin X = 28/41

Find x.

• 10

• √3

• 5

• 10√3

What is the length of x?

• 4√2

• 4

• 8

• 4√3

Which one is the easy trick to remember trigonometric ratios?

• Sah Coh Toa

• Soh Cah Toa

• Soh Cah Tao

• Soh Ceh Toa

Find the ratio for sinA. (Reduce the fraction)

• 36/27

• 4/5

• 36/45

• 3/5

Solve for x. Round to the nearest tenth.

• 103.5

• 4.7

• 55.0

• 23.4

Solve for x. Round to the nearest tenth.

• 9.8

• 0.1

• 0.038

• 9.9

What type of special triangle is this?

• 45°-45°-90°

• 30°-60°-90°

• Equiangular

• Equilateral