When you realize that when solving a trig function you need the unit cirlce if not you wont get the answer

Report image

Note: Only personal attacks are removed, otherwise if it's just content you find offensive, you are free to browse other websites.

The textual content of this image is harassing me or someone I know
The visual content of this image is harassing me or someone I know
Both the textual and visual content are harassing me or someone I know
Other reason (please specify shortly)

Your email address: