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(1 + cos 4 x )/( cot x - tan x )...

`(1 + cos 4 x )/( cot x - tan x )`

Text Solution

Verified by Experts

The correct Answer is:
` = (1)/(2) [- (cos 4 x)/(4)] + c = - (1)/(8) cos 4 x + c `
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