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Grade Upto college levelDifferential Calculus

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

Profile image of ANJALI
12 Years agoGrade Upto college level
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Profile image of Vinti Singhai
12 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