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Find (dy)/(dx) in each of the followin...

Find `(dy)/(dx)` in each of the following: `sin (x + y) + cos (x + y) = log (x + y)`

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Given `sin (x + y) + cos (x + y) = log (x + y)`
Differentiate w.r.t.x
`cos (x+y) (1+ dy/dx) – sin (x+y) (1 + dy/dx) = (1/(x+y))(1+ dy/dx)`
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RD SHARMA-DIFFERENTIATION-Solved Examples And Exercises
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  13. Find (dy)/(dx), when x=cos^(-1)1/(sqrt(1+t^2))"and"y=sin^(-1)t/(sqrt(1...

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  14. If .

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  15. If x=2costheta-cos2theta"and"y=2sintheta-sin2theta"P r o v et h a t" ...

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