NCERT Example 22 - Limits and Derivatives

Question: Find derivatives of: (i) (x^5-cos x)/sin x, (ii) (x+cos x)/tan x.

Answer: (i) [-x^5 cos x+5x^4 sin x+1]/sin^2x; (ii) [(1-sin x)tan x-(x+cos x)sec^2x]/tan^2x.

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

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