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Verify cos x = 1 - 2 sin^2(x/2)
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In this video, we will learn to verify the trigonometry identity cos x = 1 - 2 sin^2(x/2).
Other titles for the video are:
Prove cos x = 1 - 2 sin^2(x/2)
cos theta = 1 - 2 sin^2(theta/2)
Prove the equation cos x = 1 - 2 sin^2(x/2)
I, Ravi Ranjan Kumar Singh, have produced this video. All credits of this video belong to me.
Other titles for the video are:
Prove cos x = 1 - 2 sin^2(x/2)
cos theta = 1 - 2 sin^2(theta/2)
Prove the equation cos x = 1 - 2 sin^2(x/2)
I, Ravi Ranjan Kumar Singh, have produced this video. All credits of this video belong to me.
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