How to prove that cos2x sin2x 1 2sin2x
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=aWMyqeOeWYA
Visit the website at: https://www.mathsacademy.com.au for resources and online courses. Support the channel via Patreon: / mathsacademy In this lesson I will show you how to prove that sin^2x - cos^2x = 1 - 2sin^2x
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