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    krishna_73's Avatar
    krishna_73 Posts: 1, Reputation: 1
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    #1

    Mar 18, 2012, 07:47 PM
    how to solve (cosecA-cotA)^2 = (1-cosA)/(1+cosA)
    Prove that (cosecA-cotA)^2=(1-cosA)/(1 + cosA)
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Mar 19, 2012, 06:25 AM
    Here's a hint: convert the trig functions to sine and cosine equivalensts, then multiply the right hand side by (1-cosA)/(1-cosA).
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