Evaluating the six trigonometric functions for a given angle on the unit circle

What is the degree measure of the angle π/6?

• 45 degrees

• 30 degrees

• 15 degrees

• 60 degrees

On the unit circle, what are the coordinates for the angle π/6?

• (1/2, sqrt(3)/2)

• (sqrt(3)/2, 1/2)

• (1, 0)

• (0, 1)

How do you calculate the tangent of an angle using its coordinates on the unit circle?

• X+Y

• X/Y

• X*Y

• Y/X

What is the reciprocal of the sine function?

• Cosecant

• Tangent

• Secant

• Cotangent

How do you rationalize the denominator of 1/sqrt(3)?

• Multiply by 1/3

• Multiply by 1/sqrt(3)

• Multiply by sqrt(3)/sqrt(3)

• Multiply by 3/3