Math, asked by pawaranushka7890, 1 month ago

to find formula for cos (A-B)

Answers

Answered by MansiPoria

0

Answer:

sin A cos B + cos A sin B cos(A + B) = cos A cos B − sin A sin B tan(A + B) This is the second double angle formula.

Answered by palchau2017

0

Answer:

cosAcosB + sinAsinB

hope this helps

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