Solve using trig

What is the value of x in the right triangle?

round to the nearest tenth

• 21.1

• 23.5

• 19.7

• 37.2

Use a trigonometric ratio to find the value of x. Round your answer to the nearest tenth.

• opposite
• adjacent
• hypotenuse
• same

a

b

c

hypotenuse

• hypotenuse

• 73
• 55
• opposite
• adjacent
• leg
• 48

Match the following to their corresponding value of x.

round to the nearest tenth

• x=7.1

• 
• x=12.9

• 
• x=2.5

• 
• x=6.0

• 
• x=12.2

• 

Which of the following correctly set-up the trig ratio to solve for b?

The popular acronym used to remember the trigonometric ratios

• SOH

  COA

  TAH

• SOH

  CAH

  TOA

• SAH

  COH

  TOA

• SOH

  CAH

  TAO

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

• sine
• cosine
• tangent
• cotangent

Find cos(θ).