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Mathematics 18 Online
OpenStudy (anonymous):

I need help with this sin, cos question

OpenStudy (anonymous):

Given \[\sin \theta = \frac{ 12 }{ 37 } \] and \[90 degrees \le \theta \le 180 degrees\] find the exact value of \[\cos \frac{ \theta }{ 2 }\]

OpenStudy (phi):

this is a bit tricky you can first find inverse sin (12/37) in degrees

OpenStudy (anonymous):

I got .0056604971

OpenStudy (phi):

|dw:1347988877553:dw|

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