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int(cos5x+cos4x)/(1-2cos3x)dx " is equal...

` int(cos5x+cos4x)/(1-2cos3x)dx " is equal to "`

A

`sin x+ sin2x+C`

B

`sin x-(sin 2x)/(2)+C`

C

`-sin x-(sin2x)/(2)+C`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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