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Math C30

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Eight Fundamental Identities

Sec thada - Cos thada- on one side

tan thada sin thada- on the other side

How do you do this ???

  • Math C30 -

    http://greece.mrdonn.org/alphabet.html Impress your teacher, use the right symbols and spelling.

    SecTheta-cosTheta=TanThetaSinTheta
    Your teacher is just too easy.
    multiply each side by cosTheta
    1-cos^2 Theta=sin^2 Theta

    sin^2 Theta=sin^2 Theta

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