# Math Analysis

posted by
**Emily**
.

Find the exact value of cos(x/2) if sin x = 3/4 and x is in quadrant II.

==> I got ã(4-ã7)/2. Is this correct?

posted by
**Emily**
.

Find the exact value of cos(x/2) if sin x = 3/4 and x is in quadrant II.

==> I got ã(4-ã7)/2. Is this correct?