NCERT Example 6 - Integrals

Question: Find (i) int sin x cos x dx (ii) int dx/(sin^2 x cos^2 x) (iii) int dx/(1 + tan x).

Answer: (i) (1/2) sin^2 x + C; (ii) tan x - cot x + C; (iii) x/2 + (1/2) log|sin x + cos x| + C.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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