Evaluate your six trig identities given a point on the unit circle

The video tutorial covers evaluating trigonometric functions at a specific point on the unit circle, focusing on the angle 3π/4. It explains the concept of radians, how to express π as a fraction, and how to segment the circle. The tutorial uses special triangles to find coordinate points and evaluates sine, cosine, and tangent functions. It also discusses reciprocal functions and simplification techniques, emphasizing the importance of recognizing patterns to simplify calculations.

What is the measure of 3π/4 in degrees?

• 180 degrees

• 45 degrees

• 90 degrees

• 135 degrees

How can π be rewritten to help segment the unit circle into fractions?

• 3π/4

• 4π/4

• 2π/4

• π/2

Which special triangle is used to find the coordinates at 3π/4?

• 30-60-90 triangle

• 60-60-60 triangle

• 45-45-90 triangle

• 30-30-120 triangle

What is the x-coordinate of the point at 3π/4 on the unit circle?

• -1

• -sqrt(2)/2

• 1

• sqrt(2)/2

What is the value of sine at 3π/4?

• -sqrt(2)/2

• sqrt(2)/2

• 1

• 0

What is the value of tangent at 3π/4?

• -1

• 1

• 0

• sqrt(2)

What is the reciprocal of sine called?

• Secant

• Cosecant

• Tangent

• Cotangent