In this video, we will learn to find the value of sin 22.5.
The link of the video explaining the proof of the identity cos 2x = 1 – 2 sin^2 x has been given below
https://youtu.be/NTgX1EY6Poo
Other topics of the video:
Value of sin 22.5
Find the exact value of sin 22.5
What is the exact value of sin 22.5?
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