Pre-Calc: Unit 5 Trigonometric Functions Exam

Convert to radians: 225°

Convert to radians: -120°

• (5π)/4 radians = (5π/4) × (180/π) = 225°

• (5π)/4 radians = (5π/4) × (90/π) = 112.5°

• (5π)/4 radians = (5π/4) × (360/π) = 450°

• (5π)/4 radians = (5π/4) × (45/π) = 56.25°

• -75 degrees
• -60 degrees
• -45 degrees
• -90 degrees

Identify the quadrant in which the terminal side of -200° lies. Then, provide two coterminal angles, one positive and one negative, of -200°.

Quadrant:

Positive:

Negative:

Write the angle measure in Degree-Minute-Second (DMS) form: 42.625°

• 42° 37' 30''

• 42° 35' 15''

• 42° 38' 45''

• 42° 36' 20''

Write the angle measure in decimal degree form: -127° 45' 30''

• -127.7583°

• -127.7556°

• -127.7528°

• -127.7597°

Find the length of the intercepted arc with a central angle of 120° and a radius of 6 inches. Round to the nearest tenth.