Angles Unit Circle

Q1. What is the total number of items?

• A) 115

• B) 135

• C) 120

• D) 110

Q1. What is the total number of items?

• 210

• 190

• 200

• 215

• 315
• 320
• 300
• 330

Q1. What is the average of the following numbers?

• A) 45

• B) 60

• C) 70

• D) 65

What type of circle plays a large role in understanding trig functions?

• An elliptic circle

• The unit circle

• The perfect circle

• The Pythagorean circle

Based on your unit circle cos(30^o)=

• 1

• 1/2

• sqt3/2

• sqt2/2

• I DONT KNOW

The cosine of an angle is negative. In which quadrant(s) can the solution be found.

• Quadrant 1

• Quadrant 2

• Quadrant 3

• Quadrant 4

• 1
• 2
• 3
• 4

Jill places her pencil at point A on the unit circle and traces the circle counterclockwise. At what point will Jill end the rotation if she traced the circle 315 degrees.

• undefined

Answer explanation