Ok so for this problem I have to use IVPs to prove that cos^2(x)+sin^2(x)=1. I know the end result is suppose to be:(adsbygoogle = window.adsbygoogle || []).push({});

du/dt= - v, u(0)=1

dr/dt= u, v(0)=0

but I have no idea how to go about getting to this point.

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# Prove cos^2(x)+sin^2(x)=1 using IVP's

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