Please help me convert some degree to radian measure?

Question

calculate the radian measure of the angles whose measures are

a. 45 deg

b. 315 deg

c. -210 deg

d. 570 deg

e. 2 deg

f. -28 deg

g. 601 deg

Answer 1

a. 45 deg = pi/4

b. 315 deg = 7/4pi

c. -210 deg = -7/6pi

d. 570 deg = 19/6pi

e. 2 deg - 1/90pi

f. -28 deg = -7/45pi

g. 601 deg = 601/180pi

Answer 2

Multiply by pi over 180.

so

A) 45deg = pi/4  (pi over 4)