1.

Iii) Find dy , ify=log (secx + tan x dx​

Answer»

y=log(SECX+TANX)DXDY = secx+tanx1 (secx+tanx) ′ = secx+tanx1 (secxtanx+sec 2 X) = secx+tanx1 secx(tanx+ secx)=secx



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