1.

Find the value of the integrates given below :∫ (tan2 x – cot2 x) dx

Answer»

∫ (tan2 x – cot2 x) dx

= ∫ (sec2 x -1 – cosec2 x +1) dx

= ∫ sec2 x dx – ∫ cosec2 x dx

= tan x + cot x + C



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