Ratios of Right Triangles

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

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

Which is the ratio of the opposite leg to the hypotenuse in a right triangle?

• sine

• cosine

• tangent

• secant

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 trigonometric ratio would be used to find the distance from the ship to the plane?

• tangent

• sine

• cosine

In SOHCAHTOA what does O stand for?

• Outside

• Opposite

• Over

• Order