SOLUTION: Prove: sin(š¯›¼ + š¯›½) = sinš¯›¼cosš¯›½ + cosš¯›¼sinš¯›½

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Question 1137907: Prove: sin(š¯›¼ + š¯›½) = sinš¯›¼cosš¯›½ + cosš¯›¼sinš¯›½
Answer by ikleyn(52906) About Me  (Show Source):
You can put this solution on YOUR website!
.

See the lesson
    - Addition and subtraction formulas
in this site and find the proof there.