SOLUTION: Pls help me Proof: Sin(A+B)= SinA CosB+ CosA SinB

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Question 1069920: Pls help me Proof: Sin(A+B)= SinA CosB+ CosA SinB
Answer by ikleyn(52864) About Me  (Show Source):
You can put this solution on YOUR website!
.
See the lesson
    - Addition and subtraction formulas
in this site.


Also, you have this free of charge online textbook in ALGEBRA-II in this site
    - ALGEBRA-II - YOUR ONLINE TEXTBOOK.

The referred lesson is the part of this online textbook under the topic
"Trigonometry. Formulas for trigonometric functions".