Question

Given that cos^2θ − sin^2 θ =

3
/4. What is the value of cos θ?

A.
√3
/2


B.
1
/2


C.
√7
/2


D.
√7
/√8​

Answer 1

Answer:

The answer is option A.

$\frac{ \sqrt{3} }{2}$