﻿ For n Ïµ N, let  The left hand derivative of f at x = π/4 is   : Kaysons Education

# For n Ïµ N, Let  The Left Hand Derivative Of f at x = π/4 Is

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## Question

### Solution

Correct option is

– 2n

For x Ïµ (0, π/4), tan x > x > sin x , thus(x) = 1 – tannx. Also f (π/4) = min

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