Hey guys Im new here and I am hoping I can get some help. write the following as a product of sine and/or cosine of the angles sin (B+C-a) + sin (C+A-B) + sin (A+B-c)-sin (A+B+C)
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Originally Posted by ChrisBosh Hey guys Im new here and I am hoping I can get some help. write the following as a product of sine and/or cosine of the angles sin (B+C-a) + sin (C+A-B) + sin (A+B-c)-sin (A+B+C) just apply the addition formula for sine (and cosine) over and over Recall: and Now, you have three terms in the sum for the angles. just apply the rules two at a time example: and then you can apply the formulas i mentioned on and
Originally Posted by Jhevon just apply the addition formula for sine (and cosine) over and over Recall: and Now, you have three terms in the sum for the angles. just apply the rules two at a time example: and then you can apply the formulas i mentioned on and thank you so much man. really appreciate it. i remember this now. o yes and reps added
Last edited by mr fantastic; January 5th 2009 at 06:51 PM. Reason: Merge
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