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y=(sinx+cosx/sinx-cosx)then find dy/dx at x=15

ANJALI , 11 Years ago
Grade Upto college level
anser 1 Answers
Vinti Singhai

Last Activity: 11 Years ago

Given expression can be written as -(1+tanx)/(1-tanx)=-tan(x+pi/4)Hence dy/dx = -sec^2(x+pi/4)Vinti SinghaiaskIITians Faculty,B.E(Honors) in Elec &Comm, Gold Medalist

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