Hi please help me to solve this question....if y=cos ax/1+sin ax,where a is positive integer,show that cos ax d^2y/dx^2=a^2 y^2
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This is unreadable. Please use brackets where they're needed, or else learn some basic LaTeX.
You are given:
You are asked to show:
Tools you will need:
Derivative of sine with chain rule:
Derivative of cosine with chain rule:
Can you show your attempt (using bracketing symbols or )?
As an alternative, you could write:
Last edited by MarkFL; September 22nd 2012 at 07:46 AM.
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