How to evaluate for sine, cosine and tangent of an angle

The video tutorial explains how to identify angles and points on the unit circle, focusing on π/3, which is equivalent to 60 degrees. It covers the coordinates of this point on the unit circle and how to evaluate the sine, cosine, and tangent of the angle. The tutorial also discusses reciprocal operations in trigonometry, providing a step-by-step explanation of how to calculate these values.

What is the angle π/3 equivalent to in degrees?

• 30 degrees

• 45 degrees

• 60 degrees

• 90 degrees

What are the coordinates of the point on the unit circle for the angle π/3?

• (-1/2, sqrt(3)/2)

• (sqrt(3)/2, 1/2)

• (1/2, sqrt(3)/2)

• (sqrt(3)/2, -1/2)

What is the sine of the angle π/3?

• sqrt(3)/2

• 1

• 0

• 1/2

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

• Y-X

• X/Y

• Y/X

• X*Y

What is the tangent of the angle π/3?

• 0

• 1/sqrt(3)

• sqrt(3)

• 1