SOLUTION: How would I use a half-angle identity to find the exact value of sin 75 degrees?

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Question 862520: How would I use a half-angle identity to find the exact value of sin 75 degrees?
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
How would I use a half-angle identity to find the exact value of sin 75 degrees?

calculator check:
sin75≈0.9659…
Exact value=sqrt%282%2Bsqrt%283%29%29%2F2≈0.9659…