Formula of Multiple Angle

In this article we will learn about Multiple Angle

Multiple Angle
Multiple Angle


  • Sin2θ= 2SinθCosθ
  • Cos2θ= Cos²θ-Sin²θ
  • Cos2θ= 2Cos²θ-1
  • Cos2θ= 1-2Sin²θ
  • 1+Cos2θ= 2Cos²θ
  • 1-Cos2θ= 2Sin²θ
  • Tan²θ= (1-Cos2θ)/(1+Cos2θ)
  • Sin2θ= (2Tanθ)/(1+Tanθ)
  • Cos2θ= (1-Tan²θ)/(1+Tan²θ)
  • Tan2θ= (2Tanθ)/(1-Tan²θ)
  • Sin3θ= 3Sinθ-4Sin³θ
  • Cos3θ= 4Cos³θ-3Cosθ
  • Tan3θ= (3Tanθ-tan³θ)/(1-3Tan²θ)
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