# Find the Reference Angle (49pi)/2

Find an angle that is positive, less than , and coterminal with .
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