Evaluate Trigonometric Functions with Unit Circle

Evaluate Cos (π)

• 2

• 1

• √2 / 2

• -1

• √2
• √2 / 2
• 1
• 1 / √2

What is true about the radians in the second quadrant of the unit circle?

• The numerator is one more than the denominator.

• The numerator is one less than the denominator.

• The numerator is one.

• The numerator is double the denominator minus one.

Name the quadrant in which the terminal side lies: -π/12

• Quadrant I

• Quadrant II

• Quadrant III

• Quadrant IV

Find the exact value of the trig function shown in the image

• A

• B

• C

• D

Find the exact value of the trig function shown in the image

• A

• B

• C

• D

Find the exact value of the trig function shown in the image

• A

• B

• C

• D

Match the following trig functions to the correct trig values

• sin(45)

• sin(90)

• sin(30)

• 0

• sin(60)

What is the value of \sin\left(\frac{4\pi}{3}\right) ?

What is the value of \ \cos\left(\frac{4\pi}{3}\right) ?