Trig Functions and Angles of Rotation

Standard position is when .....

• the initial side of the angle is on the positive x-axis.
• the initial side of the angle is on the negative x-axis.
• the initial side of the angle is on the positive y-axis.
• the initial side of the angle is on the negative y-axis.

Tags

CCSS.5.G.A.1

Negative angles are measured in which direction from standard position?

• Clockwise
• Counterclockwise

Find a coterminal angle to 45°.

• 360°

• 405°

• 315°

• 295°

Find a coterminal angle to 5°.

• 365°

• 255°

• -220°

• -365°

In what quadrant is -285°?

• I
• II
• III
• IV

What are the negative and positive coterminal angles of 240°?

• 540°, -120°

• 600°, -120°

• 425°, -240°

• 120°, -135°

What is the reference angle for -30°?

• 150°

• 30°

• 80°

• 60°

What is the reference angle for 63°?

• 117°

• 207°

• 63°

• 153°

What is the radius for the given circle?
 $x^2+y^2=9$  

• 9

• 6

• 3

• 81

What is the radius for the given circle?
 $x^2+y^2=17$  

• 17

• 7

• 289

•  $\sqrt{17}$