How to differentiate y=(x+cosx)/(tanx) using first principle? please give me the complete solution.
How to differentiate y=(x+cosx)/(tanx) using first principle? please give me the complete solution.
arun , 10 Years ago
Grade 12
Differential Calculus> How to differentiate y=(x+cosx)/(tanx) us...
1 Answers
PASUPULETI GURU MAHESH
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given y=(x+cosx)/(tanx)
we know firstb derivative test lim h tends to 0( f(x+h)-f(x))/h
sorry iam not solve by using above formula it is so lengthy.It is better to solve u/v method
d/dx((x+cosx)/(tanx))=(tanx.(1-sinx))-((x+cosx).sec2x)/tan2x
=(tanx.(1-sinx))-(secx(1+xsecx))/tan2x
there fore derivative of Y=(tanx.(1-sinx))-(secx(1+xsecx))/tan2x
thank you
Approved Last Activity: 10 Years ago
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