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    shambhavi's Avatar
    shambhavi Posts: 2, Reputation: 1
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    #1

    Jun 5, 2012, 09:59 AM
    (cot+ csc-1)/(cot-csc 1)=(1 + cos)/sin
    (cot + csc-1)/(cot-csc 1)=(1 + cos)/sin
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Jun 5, 2012, 10:08 AM
    Quote Originally Posted by shambhavi View Post
    (cot + csc-1)/(cot-csc 1)=(1 + cos)/sin
    Hint: convert the cotangent and cosecant functions to their sine and cosine equivalents. Then I suggest mutiplying through by sin/sin. Finally note that the denominator is now of the form A-B; if you multiply through by (A+B)/(A+B) good things will happen.
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