Let I = Applying the formula: cos 2x = 1 - 2sin2x, we get, I = I = I = we know that, = tan x + cTherefore, I = tan x + C.

Q. 84.9( 9 Votes )

Evaluate</s

Answer :

Let I =

Applying the formula: cos 2x = 1 - 2sin²x, we get,

I =

we know that,

= tan x + c

Therefore,

I = tan x + C.

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