Posted by **Phil-- HELP NEEDED ASAP** on Friday, May 10, 2013 at 9:46am.

Find the exact value of the expression without a calculator:

sin(3π/4+5π/6)

I've done:

sin(9π/12 + 10π/12)

=sin(19π/12)

What do I do now? Im confused if that would just be the answer or what? Wouldnt the answer be numerical?

## Answer this Question

## Related Questions

- Math - Evaluate *Note - We have to find the exact value of these. That I know to...
- Precalculus - Use one of the identities cos(t + 2πk) = cos t or sin(t + 2&#...
- Math, please help - Which of the following are trigonometric identities? (Can be...
- Math integrals - What is the indefinite integral of ∫ [sin (π/x)]/ x^...
- Trig Help! - Question: Trying to find cos π/12, if cos π/6 = square ...
- Math - Find all the possible values of the expression. sin^-1 -(square root3/2) ...
- Advanced Functions/Precalculus - 1. The expression sinπ is equal to 0, ...
- Math - Use an addition or subtraction formula to write the expression as a ...
- MATH - Find the exact values. (a) tan(π/3) = ? (b) sin(7π/6) = ? (c) ...
- Calc - If n is a positive integer, find the limit as n approaches +∞ of 1/...