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Mathematics 15 Online
OpenStudy (anonymous):

secAcotB-secA-2cotB+2=0

OpenStudy (anonymous):

@ganeshie8

OpenStudy (anonymous):

A hint would suffice

ganeshie8 (ganeshie8):

Two hints : 1) change to sin/cos 2) get rid off denominators

OpenStudy (anonymous):

|dw:1398249341012:dw|

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