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if y=log(tan x) the value of dy/dx = ….......................................................

if y=log(tan x) the value of dy/dx =        
 
….......................................................                              

Grade:11

1 Answers

Jigar Marvaniya
217 Points
5 years ago
y=log(tan x)
dy/dx = d(log(tanx))/dx
         = (1/tanx) *d(sinx/cosx)/dx
         = (cosx/sinx) * (cosx/-sinx)
         = – (cosx*cosx) / (sinx*sinx)
         = – cos2x/sin2x
 
Hope it helped

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