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Find the derivative of cos 2x

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Find the derivative of cos 2x
  • 3 answers

Rohan Chaudhary 6 years, 10 months ago

Ify=cos2x Dy/dx= -sin2x * dy/dx(2x) =-sin2x * 2 =-2sin2x

Veena Singh☺️? 6 years, 10 months ago

-sin2x

Devraj Sinha 6 years, 10 months ago

-sin2x
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