Review-Second Grading Exam

It is a circle with a radius of 1.

• Unit Circle

• Circle

• Circle in standard form

• Circle in fixed position

The acute angle that is formed by the terminal side of the angle and the x-axis.

• Negative angle

• Coterminal angle

• Reference angle

• Angle in standard position

An angle is positive if its rotation is ________.

• clockwise

• counterclockwise

• on the 1st quadrant

• on the y-axis

These are angles which has the same terminal side.

• Reference angle

• Angle in standard position

• Positive angles

• Coterminal angles

250° lies in Quadrant ____.

• I

• II

• III

• IV

-300° lies in quadrant _____.

• I

• II

• III

• IV

A positive coterminal angle of 110° ?

• 400°

• 210°

• 370°

• 470°

A negative coterminal angle of 250° ?

• 110°

• -110°

• 150°

• 280°

What is the reference angle of 170° ?

• 180°

• 10°

• 90°

• 170°

What is the reference angle of 310° ?

• 50°

• 360°

• 10°

• 130°