Evaluating Trig Functions on the Unit Circle

π/3 is equal to how many degrees?

• 30°
• 60°
• 90°
• 120°

2π is coterminal to which angle in degrees?

• 90°
• 180°
• 0°
• 300°

π/6 is equal to how many degrees?

• 30°
• 60°
• 90°
• 120°

Convert π/4 radians into degrees

• 45°
• 210°
• 150°
• 135°

Tangent is...

• a. Opposite side / hypotenuse
• b. sine/cosine
• c. neither a or b
• d. both a and b

Convert π/4 radians into degrees

• 45°
• 210°
• 150°
• 135°

π/3 is equal to how many degrees?

• 30°
• 60°
• 90°
• 120°

sin (π/2)

• √3/2
• √2/2
• 1/2
• 1

cos (π/2)

• 0
• √2/2
• 1/2
• 1

cos (π/4)

• √3/2
• √2/2
• 1/2
• 1