Exam Review Determine which function is undefined

The video tutorial explains how to determine which trigonometric functions are undefined by exploring the concept of asymptotes. It highlights that sine and cosine are always defined, while tangent, cosecant, and secant have points where they are undefined. The tutorial uses the unit circle to analyze these points, emphasizing the importance of understanding the coordinates and their implications for function definitions.

Which trigonometric functions are always defined for all real numbers?

• Tangent and cosecant

• Cosecant and secant

• Tangent and secant

• Sine and cosine

At what value of X is the tangent function undefined?

• X = -1

• X = 0

• X = 1

• X = π

When is the cosecant function undefined?

• When Y = 1

• When X = 0

• When X = 1

• When Y = 0

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

• (-1, 0)

• (0, -1)

• (0, 1)

• (1, 0)

Why is it important to refer to the unit circle when analyzing undefined trigonometric functions?

• To find the exact values of sine and cosine

• To determine the angles where functions are defined

• To identify the points where functions are undefined

• To calculate the length of the radius