Question

An angle of measure 150° intersects the unit circle at point (7B2%7D%2C%20%5Cfrac%7B1%7D%7B2%7D%20%29" id="TexFormula1" title="-\frac{\sqrt{3} }{2}, \frac{1}{2} )" alt="-\frac{\sqrt{3} }{2}, \frac{1}{2} )" align="absmiddle" class="latex-formula">. What is the exact value of cos(150°)?

Answer 1

So the squat route of three is 9 so 9/2 and then divide which is 4.1