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Math Help - Trig Identities and Equations

  1. June 22nd 2007, 06:34 AM #1
    daviskane
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    Trig Identities and Equations

    Verifiy the following identites letting @=theta.

    1. cos@= sec@ - sin@tan@

    2. sin@ cos@
    ----- + ----- = 1
    csc@ sec@
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  2. June 22nd 2007, 07:50 AM #2
    Krizalid
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    1) Factorise the right side by \frac1{\cos\alpha}

    2) Rember that \csc\alpha=\frac1{\sin\alpha} and \sec\alpha=\frac1{\cos\alpha}
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