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fra1234 Group Title

Can you find dy/dx of y=log(sin^2x) step by step please?

  • 2 years ago
  • 2 years ago

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  1. Clifmak Group Title
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    feeling a little bit to lazy to work it out,but can tell you the procedure.first find the derivative of sin^2x then use the general method for finding the derivative of a logarithmic function.

    • 2 years ago
  2. adamshai Group Title
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    \[\frac{ d }{ dx } {\log (\sin^2(2x))} = \frac{ 1 }{ \sin^2(2x) } \frac{ d }{ dx } \sin^2(2x) \\ = \frac{ 1 }{ \sin^2(2x) } \cdot 2\sin (2x) \cdot \frac{ d }{ dx } \sin (2x) \\ = \frac{ 1 }{ \sin^2(2x) } \cdot 2\sin (2x) \cdot \cos (2x) \frac{ d }{ dx } 2x \\ = \frac{ 1 }{ \sin^2(2x) } \cdot 2\sin (2x) \cdot \cos (2x) \cdot 2 \\ = \frac{ 4\cos (2x) }{ \sin(2x) } \\ = 4 \tan^{-1}(2x)\]

    • one year ago
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