## anonymous 4 years ago find exact value for sin (pi/4 + pi/12).

1. anonymous

$\sin (\Pi/4 + \Pi/12) = sinPi/4cosPi/12 +cosPi/4sinPi/12$

2. IsTim

3. anonymous

yes

4. IsTim

I guess you should make the denominators the same.

5. IsTim

Hey, you still living?

6. anonymous

hey lol yeah, can you show me?

7. IsTim

What do you need to multiply 4 by to get 12?

8. IsTim

Actually, I might be leading up to the wrong solution. I use to have a chart for this...

9. IsTim

Do yu have this chart, or something?

10. IsTim

Hello? Do I have to confirm your living status again?