Trigonometry

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v=2(ab+bc+ca), solve for a

  • Trigonometry -

    Please look back at your previous post before posting the same question again.

    http://www.jiskha.com/display.cgi?id=1310130604

  • Trigonometry -

    sorry, it's a different question. That one was miswritten. I accidently wrote cd instead of ca.

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