Find the derivative implicity. sin x + 2 cos (2y)=1?

Science & Mathematics by Anonymous 2018-06-26 02:04:46

Social Science

4 answers

Find the derivative implicity. sin x + 2 cos (2y)=1? Please list the steps!

Anonymous

sin x + 2 cos (2y) = 1 d(sin(x))/dx + 2 d(cos(2y))/dx = d(1)/dx cos(x) - 4sin(2y) dy/dx = 0 cos(x) = 4sin(2y) dy/dx dy/dx = cos(x) / (4sin(2y))
Anonymous

cos x dx - 4ysin(2y) dy = 0 4ysin(2y) dy = sin x dx dy/dx = (sin x) / 4ysin(2y) <<< answer
Anonymous

cos x + 2( - sin 2y) [ 2 (dy/dx) ] = 0...solve for dy/dx
Anonymous

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