Spring Term Benchmark Review Alg 2

How do you calculate a coterminal angle?

• Add a full rotation for a positive angle or subtract a full rotation for a negative angle

• Add a half rotation for a positive angle or subtract a half rotation for a negative angle

• Subtract a full rotation for a positive angle or add a full rotation for a negative angle

• Subtract a half rotation for a positive angle or add a half rotation for a negative angle

What is a full rotation in degrees and radians?

What are the negative and positive coterminal angles of 120°?

• 420°, -240°

• 480°, -240°

• 300°, -360°

• 0°, -250°

Let (-4,1) be a point on the terminal side of an angle θ in standard position.

Evaluate cosine θ.

• -4

  √17

• -4√15

  15

• -4

  √15

• -4√17

  17

In which two quadrants is cosine positive?

• Quadrant 1

• Quadrant 2

• Quadrant 3

• Quadrant 4

In which two quadrants is sine negative?

• Quadrant 1

• Quadrant 2

• Quadrant 3

• Quadrant 4

If cosθ=2 and sinθ=-3, determine the quadrant where θ lies.

• Quadrant 1

• Quadrant 2

• Quadrant 3

• Quadrant 4

• Quadrant 1

• Quadrant 2

• Quadrant 3

• Quadrant 4