Trig Pop Quiz

What is the reference angle for 275 degrees?

• 85 degrees
• 95 degrees
• -85 degrees
• -95 degrees

Which angle below has a reference angle of 30 degrees?

• 150 degrees

• 120 degrees

• 240 degrees

• 300 degrees

Find a coterminal angle to -90°.

• -450°

• 90°

• 180°

• -180°

cotθ=

• cosθ/sinθ
• sinθ/cosθ
• tanθ
• 1/cosθ

secθ=

• 1/cosθ
• 1/sinθ
• 1/tanθ
• 1/cscθ

cscθ=

• 1/cosθ
• 1/sinθ
• 1/tanθ
• 1/secθ

*

• csc x
• sec x
• cot x
• tan x

The period of a sine or cosine graph can be found by ....

• It's always 2π
• 2π/B
• B(2π)
• 2π+B

Which value represents a vertical shift in the following function y=a*sin(bx - c)+d?

• a
• b
• c
• d

Sine or Cosine?

• y=sinx
• y=cosx
• what's the difference?
• it's all waves to me