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Sin(a+b)=? Cos(a+b)=
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5 votes
Sin(a+b)=?
Cos(a+b)=

User Combinatix
by
5.0k points

2 Answers

4 votes

Answer:

sin (A + B) = sin A cos B + cos A sin B

cos (A + B) = cos A cos B - sin A sin B

on:

User Simon Bosley
by
5.5k points
5 votes

Answer:

sin (a+b)= sina*cosb - sinb*cosa

cos (a+b) = cosa*cosb + sina*sinb

User Maxinne
by
5.3k points
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