Trigonometric Functions

What is the reciprocal of the sine function?

• cosecant

• cosine

• secant

• cotangent

Cotangent is the reciprocal of what function?

• Cosecant
• Sine
• Cosine
• Tangent

*

• csc x
• sec x
• cot x
• tan x

What is the value of cosine at 0

• 0
• 1/2
• 1
• √3 / 2

What is the value of cosine at 135

• 0
• 1/2
• √2 /2
• -√2 /2

What is the value of cosine at 315

• 0
• 1
• √2 / 2
• -√2 /2

• -1
• 0
• undefined
• √3

Convert 150⁰ to radians

• 5π/6
• 3π/4
• 7π/6
• 2π/3

What is 7π/4 radians in degrees?

• 300
• 135
• 315
• 45

What is the angle measure, in degrees, at the red marking on the unit circle?

• 30°
• 45°
• 60°
• 90°