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2:31
YouTube
Maths Academy
How to show that (1+cos2x)/sin2x=cotx
Visit the website at: https://www.mathsacademy.com.au for resources and online courses. Support the channel via Patreon: https://www.patreon.com/mathsacademy In this lesson I will show you how to prove that (1+cos2x)/sin2x=cotx using some double angle trig rules
11K views
Jul 6, 2017
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