Trig Review 1.1 - 13.

Find the complement of an angle whose measure is 18°.

• 72°

• 62°

• 82°

• 90°

Find the supplement of an angle whose measure is 114°.

• 66°

• 76°

• 86°

• 96°

Perform the calculation. Keep your answer in degrees and minutes: 112° 37' + 340° 34'.

• 453° 11'

• 452° 71'

• 453° 71'

• 452° 11'

Find the angle of smallest possible positive measure coterminal with the given angle: 871°.

• 131°

• 151°

• 111°

• 91°

Find the angle of smallest possible positive measure coterminal with the given angle, -142°.

• 218°

• 142°

• 578°

• 38°

Suppose Θ is in standard position and the given point is on the terminal side of Θ. Find cot Θ for the point (-8, 4).

• -2

• 2

• -0.5

• 0.5

Suppose Θ is in standard position and the given point is on the terminal side of Θ. Find cos Θ for the point (-15, 36).

• -15/39

• 15/39

• -36/39

• 36/39

Suppose Θ is in standard position and the given point is on the terminal side of Θ. Find sin Θ for the point (5, 12).

• 5/13

• 12/13

• 5/12

• 12/5

If r is a positive number and the point (x, y) is in Quadrant II, decide whether the ratio x/y is positive or negative.

• Positive

• Negative

• Zero

• Undefined

If r is a positive number and the point (x, y) is in Quadrant IV, decide whether the ratio r/y is positive or negative.

• Positive

• Negative

• Zero

• Undefined