Subtract from until the angle falls between and . In this case, needs to be subtracted times.

Simplify.

Multiply by .

To write as a fraction with a common denominator, multiply by .

Combine fractions.

Combine and .

Combine the numerators over the common denominator.

Simplify the numerator.

Multiply by .

Subtract from .

Since is in the first quadrant, the reference angle is .

Find the Reference Angle (49pi)/2