1.

Evaluate the following integrals : ∫(sec2x + cosec2x) dx

Answer»

Given :

∫(sec2x + cosec2x) dx

By Splitting, we get,

∫(sec2x dx + ∫cosec2x dx

By applying the formula,

∫(sec2x dx = tanx

∫cosec2x dx = - cotx

⇒tan x – cot x + c



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