Sec. 4-1, 4-3, 4-4 Test Review PreCalc

Convert from radians to degrees:  7π ∕ 4

• 330°
• 45°
• 315°
• 75°

What is 240 degrees in radians? 

• π/3
• 4π/3
• 5π/3
• 2π/3

Which quadrant is -5π/6 in?

• I
• II
• III
• IV

Which quadrant is 2π/3 in?

• I
• II
• III
• IV

How do you convert from degrees to radians?

• Multiply by π/180

• Multiply by 180/π

• You can't convert from degrees to radians

How do you convert from radians to degrees?

• Multiply by π/180

• Multiply by 180/π

• You can't convert from degrees to radians

What is the reference angle for 275 degrees?

• 85 degrees
• 95 degrees
• -85 degrees
• -95 degrees

What is the reference angle for 125 degrees?

• 235 degrees
• 125 degrees
• 75 degrees
• 55 degrees

What is 60 degrees in radians? 

• 2π/3
• π/3
• 4π/3
• π/6

Which of the following is a negative coterminal angle of 165 degrees?

• 195

• 525

• -525

• -195