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If cos 3 A + cos 5 A + cos 7 A + cos 15...

If
`cos 3 A + cos 5 A + cos 7 A + cos 15 A = 4 cos mA * cos n A * cos pA,`
then , the values of `m,` `n,` `p` are

A

2,3,4

B

3,4,5

C

4,5,6

D

5,6,7

Text Solution

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The correct Answer is:
C
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