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Precalculus 17 Online
OpenStudy (anonymous):

Can someone help me with 43? And if feeling extremely generous, number 45 and 48 as well? :P

OpenStudy (anonymous):

OpenStudy (anonymous):

2sinx.tanx+2sinx=1+tanx lhs= 2sinx(tanx+1)=1+tanx if tanx is not equal to -1 i.e. x is not equal to (3pie)/4 and (7pie)/4. then sinx=1/2 thus|dw:1352888620802:dw|

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