Question

Tan x + sec x -1/tanx x - sec x +1 = 1+ sin x/cos x 

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• What is the meaning of manda
  

Differentiability of greatest integer function [x] at x=5÷2

TALLY LEDGER LIST

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form no.16

If w is a cube root of unity find the inverse of A=[1 1 1; 1 w w^2; 1 w^2 w]

SIR 

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1. xy=ex(Acosx+Bsinx)