mudassirbackup

Triple Angle Identities

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by

misamaliraza94
in
  • Sin 3x = 3sin x – 4sin3x
  • Cos 3x = 4cos3x-3cos x

T a n   3 x = 3   t a n   x − t a n 3 x / 1 − 3 t a n 2 x

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