NCERT Example 3 - Integrals

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

Answer: (i) -cos x + sin x + C; (ii) -cot x - cosec x + C; (iii) tan x - sec x + C.

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

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