Which of the following explains why cosine 60 degrees is equal to sine 30 degrees using the unit circle?

Name: Revolt
Rating: 4.5 (1200 reviews)

Question

Revolt · Accepted Answer

The side opposite a  30 degrees  angle is the same as the side adjacent to a  60 degrees  angle in a right triangle. On a unit circle, the  y times sine  distance of a  30 degrees  angle is the same as the  x times cosine  distance of a  60 degrees  angle.

The Unit Circle - Quiz Quiz

Which of the following explains why cosine 60 degrees is equal to sine 30 degrees using the unit circle?

More from this Course