Given a point on the unit circle evaluate the six trig functions

The video tutorial explains how to evaluate all six trigonometric functions for the angle C = -5π/6. It begins with graphing the angle on the unit circle, identifying the corresponding point, and calculating sine, cosine, and tangent. The tutorial also covers rationalizing denominators and finding reciprocals for cosecant, secant, and cotangent.

What is the first step in evaluating the trigonometric functions for the angle C = -5π/6?

• Determine the reciprocal functions

• Find the reference angle

• Graph the angle on the unit circle

• Calculate the sine of the angle

How is the reference angle for -5π/6 determined?

• By doubling the angle

• By subtracting π/6 from the angle

• By finding the distance to π/6

• By adding π/6 to the angle

What is the Y-coordinate of the point corresponding to the angle -5π/6 on the unit circle?

• 1/2

• -1/2

• sqrt 3 / 2

• -sqrt 3 / 2

Which trigonometric function is represented by the X-coordinate on the unit circle?

• Cosine

• Cosecant

• Sine

• Tangent

What is the tangent of the angle -5π/6?

• -sqrt 3

• -1

• sqrt 3

• 1

What is the reciprocal of the sine function called?

• Cotangent

• Tangent

• Cosecant

• Secant

How do you rationalize the denominator of a fraction?

• Add the denominator

• Multiply by the conjugate

• Subtract the numerator

• Multiply by the numerator