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: Quotient rule: 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: Hence:
Last edited by MarkFL; Sep 22nd 2012 at 07:46 AM.
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