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ballerinaxbb

  • 3 years ago

Rewrite the following equation with only sinx and cosx. sin2x-cos2x

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  1. ajprincess
    • 3 years ago
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    sin2x=2sinxcosx cos2x=cos^2x-sin^2x =2cos^2x-1 =1-2sin^2x Can u do it @ballerinaxbb?

  2. ballerinaxbb
    • 3 years ago
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    Got it, 2sinxcosx-1 + 2sin^2x

  3. ballerinaxbb
    • 3 years ago
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    Thank you!

  4. ajprincess
    • 3 years ago
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    welcome:)

  5. ballerinaxbb
    • 3 years ago
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    I posted another similar question, do you think you can help?

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