CHECK YOUR ANSWERS:


360° ——— 2π rad
90° ———- x rad
x = 2π/360 = π/180 = 0.0174 rad


360° ——— 2π rads
60° ———- x rad
x = 2π/360 = π/180 = 0.0174 rad


360° ——— 2π rad
360° ———- x rad
x = 2π/360 = π/180 = 0.0174 rad


360° ——— 2π rad
45° ———- x rad
x = 2π/360 = π/180 = 0.0174 rad