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Prove that: (cos6theta+6cos4theta+15 cos...

Prove that: `(cos6theta+6cos4theta+15 cos2theta+10)/(cos5theta+5cos3theta+10 costheta)=2costheta`

A

`sintheta`

B

`2sintheta`

C

`costheta`

D

`2costheta`

Text Solution

Verified by Experts

The correct Answer is:
D
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