Question

On a unit circle, what is cos Θ for coordinates %20%5Cfrac%7B%5Csqrt%7B2%7D%20%7D%7B2%7D%29" id="TexFormula1" title="(\frac{\sqrt{2} }{2} , \frac{\sqrt{2} }{2})" alt="(\frac{\sqrt{2} }{2} , \frac{\sqrt{2} }{2})" align="absmiddle" class="latex-formula">?
A) 0

B) 1

C) $\frac{\sqrt{2} }{2}$

D) $\sqrt{2}$

Answer 1

Answer:  C

Step-by-step explanation: