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Trigonometry: Angles

Problems

Measuring Angles

The Coordinate Plane

Problem : What is the measure of θ in radians and degrees? θ = 3 rev.

θ = 6Π rad = 1, 080 degrees.

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

θ = 90 degrees = rev.

Problem : What is the measure of θ in radians and revolutions? θ = 40 degrees.

θ =  rad = rev.

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

θ =  rad = 22.5 degrees, or 22 degrees and 30 minutes.

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

θ =  rev = 105 degrees.

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