Proof of Sin3A = 3SinA - 4Sin^3A | Trigonometry triple angle formula |

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Really helpful and short video! Thank you🎉

sayol
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It was easy to understand. Thank you! 😀

akashee
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Sir I have tried to solve this 4-5 times continuesly but the answer had not matched
But now in the 1st try it was solved
🤩🤩🤩
Thank you Sir 😊

nurulhaquechoudhury
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One day you will be in the India's top digital successful teacher ❤️❤️😎😎

mysticalblast
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Sin3a =sin3a-4sin^3a plz sir prove this equation

shivaaaaa
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