Hello!

If sin y = 2 sin x, show that (dy/dx)^2 = 1 + 3 sec^2 y

I tried implicit differentiation and I found dy/dx = 2 cos x / 2 cos y, but I don't know how to continue from there...

Thank you for helping!!

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- July 6th 2008, 08:46 PMTangeraDifferentiation (3)
Hello!

If sin y = 2 sin x, show that (dy/dx)^2 = 1 + 3 sec^2 y

I tried implicit differentiation and I found dy/dx = 2 cos x / 2 cos y, but I don't know how to continue from there...

Thank you for helping!! - July 6th 2008, 09:25 PMkalagota