# 2 simple trig deriv's

• 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 $(\sin^2{x})y$?

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