Calculate each of the following values. Express your answers both exactly and as decimal approximations. Homework Help ✎
Draw a unit circle and locate
Remember that a full circle as 2π radians and a half circle has π radians.
How many degrees is equivalent to
Draw a right triangle and use the special triangle relationship to find the exact value.
Draw a right triangle.
Notice that 60° is your reference angle.
Use the 30°-60°-90° relationship to find the exact value.