Verify Trigonometric Identities Double Angle

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I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

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This was extremely helpful! Please could you do some more videos on the double angle formulas like this one, thanks!

jamiemarsh
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Mr logan I didnt get how you got the sin²x can you explan another time please

yousseffahem