Hello, I'm doing a correspondence math course and I'm just having difficulty understanding the steps to take in order to simplify this expression.

sin(pi/4)cos(pi/12)+cos(pi/4)sin(pi/12).

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Hello, I'm doing a correspondence math course and I'm just having difficulty understanding the steps to take in order to simplify this expression.

sin(pi/4)cos(pi/12)+cos(pi/4)sin(pi/12).

sin(pi/4)cos(pi/12)+cos(pi/4)sin(pi/12).

- grimlock9909
**Posts:**1**Joined:**Fri Mar 04, 2011 1:03 am

grimlock9909 wrote:...simplify this expression.

sin(pi/4)cos(pi/12)+cos(pi/4)sin(pi/12).

I would suggest that you review your angle-sum and angle-difference identities, and see which might apply.

- nona.m.nona
**Posts:**249**Joined:**Sun Dec 14, 2008 11:07 pm

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