Precalc radian measuree

Question

Find the radian measure of the angle with the given degree measure. Round your answer to three decimal places.

−160°

Answer 1

160 degrees

= pi/180 x 160 = pi/9 x 8 = 8pi/9 radians

= about 8(3.1416)/9 = about 2.793 radians,

rounded to 3 decimal places

Answer 2

To convert from degrees to radians, multiply by pi/180.

-160*pi/180 = -8pi/9 = about -2.793 radians