Integrate cos2x/sin^2xcos^2x
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cos 2x can be written as cos^2 x -sin^2 x
you write the numerator like this and split the integral into
integral of cos^2 x /sin^2xcos^2x -integral of sin^2 x /sin^2xcos^2x
cancel terms and you will ge
integral of cosec ^2 x -integral of sec^2 x
= - cot X - tan x
you write the numerator like this and split the integral into
integral of cos^2 x /sin^2xcos^2x -integral of sin^2 x /sin^2xcos^2x
cancel terms and you will ge
integral of cosec ^2 x -integral of sec^2 x
= - cot X - tan x
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