Special Right Triangles Cosine, Sine and Tangent

Solve for the missing angle

• 50

• 0.053

• 36.9

• 95

Find the ratio for sinA. (Reduce the fraction)

• 36/27

• 4/5

• 36/45

• 3/5

We can use SOH-CAH-TOA for...

• Any triangle ever

• Non-right triangles only

• Right Triangles only

• Never

If you are given the two sides that are not the hypotenuse, which trig function should you use?

• sine

• cosine

• tangent

• hypotenuse

Which Trig function do you use?

• Sine

• Cosine

• Tangent

What is the correct ratio?

• sin 40 = w/28

• cos 40 = w/28

• tan 40 = w/28

• sin 40 = 28/w

Choose the correct ratio.

• sin(37)=x/14

• cos(37)=x/14

• tan(37)=x/14

• sin(37)=14/x

What would you use to solve for a?

• sin

• cos

• tan

• Pythagorean theorem

What is the length of side x?

• 6.57 cm

• 7 cm

• 7.44 cm

• 26.33 cm

From ∠C, what side is AB?

• Adjacent

• Hypotenuse

• Opposite

• Sine