Prove that Sin 2A = 2 SinA CosA

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In this video, I have explained how to prove that Sin2A = 2 SinA CosA.

Formulas Used in this video
Sin(A + B) = SinA CosB + CosA SinB
Sin(A - B) = SinA CosB - CosA SinB

  1. Competition Pandit
  2. Maths
  3. Trigonometry
  4. Class 11 Math
  5. IIT JEE Math
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