Reference Triangle Trig

Which Trig function do you use?

• Sine

• Cosine

• Tangent

Tags

CCSS.HSG.SRT.C.6

 FInd tanX

• 32/40

• 40/24

• 32/24

• 24/32

Tags

CCSS.HSG.SRT.C.6

Choose the correct ratio.

• sin(37)=x/14

• cos(37)=x/14

• tan(37)=x/14

• sin(37)=14/x

Tags

CCSS.HSG.SRT.C.6

Solve for x. Round to the nearest tenth.

• 9.8

• 0.1

• 0.038

• 9.9

Tags

CCSS.HSG.SRT.C.8

What is the reference angle for 30 degrees?

• 70 degrees

• 30 degrees

• 150 degrees

• 330 degrees

What is the reference angle for 125°?

• 235°

• 125°

• 75°

• 55°

What is the reference angle for 275°?

• 85°

• 95°

• -85°

• -95°

sin 2π/3

• 1/2

• -1/2

• √3/2

• -√3/2

Tags

CCSS.HSF.TF.A.2

What is the reference angle for 240°?

• 60°

• 30°

• 45°

• 210°

cos 5π/6

• -1/2

• 1/2

• √3/2

• -√3/2

Tags

CCSS.HSF.TF.A.2