Intro to Trigonometry and Unit Circle Quiz

Find the missing side length. Round to the nearest thousandth.

• 16

• 15.9

• 18.564

• 15.854

Solve for x.

• 24.20
• 4.92
• 290.4
• 29.75

What is the correct equation to solve for x ?

• tan (58) = x/11
• tan (58) = 11/x
• cos (58) = x/11
• sin (58) = x/11

• Not able to be determined with the given information.

• 35.4°

• 36.431°

• 42.431°

• 47.569°

Find the side x, round to nearest tenth.

• 13.8
• 14.2
• 13.2
• 14.8

What is the value of sin(π/6)

• -1

• 0

• 1/2

Convert 130° to radians

• 50°

• 13 radians

What is the value of cos(π/2)?

• 0

• 1

• -1

• sqrt(2)/2

What is the x-y coordinate at the angle 45 degrees?

• (1, 0)