Question

find dy/dx of 2sinxcosy=1

Answer 1

use implicit differentiation.

Answer 2

if you know what to do...then why can't you do it?

Answer 3

i want to check my answer

Answer 4

what's your answer?

Answer 5

The problem must be with the implicit deferentiation itself, the exercise demands you do it that way. So you donot want an explanation?

Answer 6

i got 2cotxcoty

Answer 7

I think there is no 2 there

Answer 8

did you use product rule?

Answer 9

yep

Answer 10

because if you did...you should get this http://www.wolframalpha.com/input/?i=+dy%2Fdx+of+2sinxcosy%3D1

Answer 11

but the 2 is wrong

Answer 12

Well are you remembering of using the chain rule when derivating the part that contains y?

Answer 13

ok so i got cotxcoty

Answer 14

then you got it already