Evaluate the six trig functions when given an angle in radians

The video tutorial covers the evaluation of six trigonometric functions using the unit circle. It begins with graphing and identifying points on the unit circle, specifically focusing on the point (0, -1). The tutorial explains how to evaluate sine, cosine, and tangent functions based on these coordinates. It also discusses the reciprocal functions: cosecant, secant, and cotangent, highlighting their calculations and the concept of undefined values when dividing by zero.

What is the coordinate point on the unit circle for the angle 3π/2?

• (0, 1)

• (0, -1)

• (1, 0)

• (-1, 0)

Which trigonometric function is equal to the y-coordinate of a point on the unit circle?

• Tangent

• Secant

• Cosine

• Sine

What is the value of tangent for the point (0, -1) on the unit circle?

• -1

• 0

• Undefined

• 1

What is the reciprocal function of sine?

• Secant

• Cotangent

• Cosecant

• Tangent

For the point (0, -1), what is the value of cotangent?

• -1

• Undefined

• 0

• 1