Unit Circle

What is the radius of a unit circle?

• 1
• 2
• 1/2
• 0

What the coordinates of 180° on the unit circle?

• 0, 1
• 1, 0
• -1, 0
• 0, -1

Find secΘ.

• 17/15
• 15/17
• 8/17
• 17/8

Find cotΘ.

• 3/4
• 4/3
• 5/4
• 5/3

Find tanΘ.

• 6/10
• 8/10
• 6/8
• 8/6

In the first quadrant, find cscΘ if tanΘ=3/4.

• 4/3
• 3/5
• 5/3
• 5/4

In the first quadrant, find cotΘ if secΘ=2.

• 1/2
• 2/1
• 1/√3
• √3

In the first quadrant, find tanΘ if sinΘ=4/5.

• 4/3
• 3/4
• 5/4
• 3/5

What is the reciprocal of sin(x)?

• cos(x)
• csc(x)
• sec(x)
• cot(x)

Secant is the reciprocal of what function?

• Cosecant
• Sine
• Cosine
• Tangent