Right Triangle with Trig Ratio

Find cosA

• 30/16

• 30/15

• 30/34

• 16/34

Find cosC

• 34/16

• 30/34

• 16/30

• 16/34

Find tanZ

• 28/21

• 35/28

• 21/28

• 35/21

In SOHCAHTOA what does O stand for?

• Outside

• Opposite

• Over

• Order

What can you find with trig ratios (sin, cos, tan)?

• Missing sides

• missing angles

• area of a triangle

• missing sides, angles and area of a triangle

What is the correct ratio?

• sin 40 = 28/w

• tan 40 = w/28

• cos 40 = w/28

• sin 40 = w/28

If you are given the hypotenuse and an adjacent side, which trig function should you use?

• sine

• cosine

• tangent

What is the side across from the right angle called?

• Leg

• Pythagoras

• Hypotenuse

• Altitude

Solve for x. Round to the nearest tenth.

• 103.5

• 4.7

• 55.0

• 23.4

Solve for x.

• 17.2

• 27.1

• 8.3

• 30.9