Question

Express the angle in radian measure. 60°

Answer 1

pi/3

Explanation:

^_^

Answer 2

Pi radians =180 degrees:

That is, π rad = 180°

60° in radian measure = 60° × π / 180°

60° × π / 180° = 1/3 π rad
= 0.33333333333π rad
= 1.0471975512 rad