cosec A-cot A=root 2 cotA then prove that cosec A+cotA=root 2cosecA
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cosecA-cotA...(1)
cosecA+cotA...(2)
Add squares of (1) and (2)
cosecA+cotA...(2)
Add squares of (1) and (2)
Mather:
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Here is the answer....
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