2 simple trig deriv's

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February 23rd 2010, 04:55 PM
maybnxtseasn

2 simple trig deriv's

sinxy²

i got 2cosxy

--------------

sin²xy

i got 2sinxy*(cosxy+sinx)
February 23rd 2010, 05:04 PM
Prove It

Quote:

Originally Posted by maybnxtseasn

sinxy²

i got 2cosxy

--------------

sin²xy

i got 2sinxy*(cosxy+sinx)

These are very hard to read. Please either use brackets or LaTeX.

Is your first function $\sin{(xy^2)}$ or $(\sin{x})y^2$ ?

Is your second function $\sin^2{(xy)}$ or $(\sin^2{x})y$ ?
February 23rd 2010, 05:22 PM
maybnxtseasn

Quote:

Originally Posted by Prove It

These are very hard to read. Please either use brackets or LaTeX.

Is your first function $\sin{(xy^2)}$ or $(\sin{x})y^2$ ?

Is your second function $\sin^2{(xy)}$ or $(\sin^2{x})y$ ?

$\sin{(xy^2)}$
$\sin^2{(xy)}$

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