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    CHITHRAP Posts: 1, Reputation: 1
    New Member

    Oct 2, 2010, 08:00 AM
    how to prove (secA tanA-1)/(tanA-secA 1)=(1 sinA)/cosA
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    Unknown008 Posts: 8,076, Reputation: 723
    Uber Member

    Oct 2, 2010, 08:10 AM

    I think that there are symbols missing (must be due to the version of the site you are using... yes there are several versions)

    Could you try to spell out the problem?

    And for the problem, try converting everything to cos and sin only, 'rationalise' and take away the ratios which cancel out. It should work out easily.

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