Math, asked by gundusahithi88, 23 days ago

2cos4a cos3A is equal to

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Answered by khairnarayush4233
0

Step-by-step explanation:

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m=sin3A+2sin4Acos3A−2cos4A

m=sin45o+2sin60ocos45o−2cos60o

m=21+321−1

m=1+61−2

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