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OpenStudy (studentchaitrali):
Pls pls pls pls help TRIGONOMETRY (CotA+cosecA-1)/(cotA-cosecA+1)=(1+cosA)/sinA Pls prove this...I can't do it.
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OpenStudy (anonymous):
@dan815 @chmvijay
OpenStudy (triciaal):
review cos^2 + sin^2 = 1 cosec = 1/ sin cot = 1/tan 1 +tan^2 = sec^2
OpenStudy (triciaal):
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