Trig for Side Lengths and Angle Measures

In ΔABC, ∠A is a right angle. The cosine of ∠B will be the same as which of the following?

• sine ∠B

• cosine ∠A

• sine ∠C

• cosine ∠C

Which trigonometric ratio should you use?

• Tangent Ratio

• Sine Ratio

• Cosine Ratio

• Any ratio

Tags

CCSS.HSF.TF.A.2

Solve for the missing angle.

• 32°

• 44°

• 61°

• 50°

Tags

CCSS.HSG.SRT.C.8

Solve for the missing angle.

• 15.5°

• 16.9°

• 18.5°

• 17.7°

Solve for the missing angle.

• 9.4°

• 55.2°

• 20.15°

• 19.4°

Solve for the missing angle.

• 57.1°

• 51.7°

• 47°

• 40.1°

Find the length of x.

• 4.98
• 5.98
• 3.20
• 4.18
• 7.13

Find the length of x.

• 4.39
• 3.21
• 2.19
• 2.05
• 1.71

Find the length of x.

• 6.09

• 18.77

• 5.52

• 7.68

• 5.95

What equation can be used to solve for x?

• Sin(40°)= x/40 
• Sin(40º)=x/19
• Cos(40º)=x/19
• Tan(40°)=19/x