Question

derivation of (xsinx)/(1+tanx)?please help me!

Answer 1

Low(DerivativeHIGH)-High(DerivativeLOW)/Low*Low

Answer 2

sorry!can u explain by step for me?

Answer 3

that WAS the explanation :)

Answer 4

its the application of the quotient rule

Answer 5

that is the form!

Answer 6

and the product rule since the top is a product

Answer 7

\[\frac{d}{dx}\ \frac{x\ sinx}{1+tanx}\]
\[ \frac{(1+tanx)(x'\ sinx+x\ sin'x)-(1+tanx)'(x\ sinx)}{(1+tanx)^2}\]

Answer 8

play out the 's and your done

Answer 9

ok ! thx so much!

Answer 10

yep