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Precalculus: Trigonometric Functions

Problems

Angles

Trigonometric Functions

Problem : θ = 120 o . What is the measure of θ in radians and revolutions?

θ = radians = revolution.

Problem : θ = 3.5 revolutions. What is the measure of θ in radians and degrees?

θ = 7Π radians = 1260 o .

Problem : θ = radians and is in standard position. In which quadrant does it lie?

Quadrant IV.

Problem : θ = radians and is in standard position. In which quadrant does it lie?

It lies in no quadrant. It is a quadrantal angle.

Problem : θ = - radians. In which quadrant does it lie?

Quadrant III.

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