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Mathematics 8 Online
OpenStudy (x3_drummerchick):

HELP! will give medals: given cot x=7 , 180

OpenStudy (x3_drummerchick):

i got this far, but dont know what to do from here:

OpenStudy (x3_drummerchick):

OpenStudy (x3_drummerchick):

when i plug the cos x into the half angle formulas, i keep getting the wrong answer

OpenStudy (x3_drummerchick):

OpenStudy (x3_drummerchick):

@Nnesha , can you tell me where i went wrong?

OpenStudy (danjs):

hi

OpenStudy (x3_drummerchick):

hello

OpenStudy (danjs):

sorry

OpenStudy (danjs):

did you limit the values to the third quadrant, 180 to 270, both sin and cos are negative in that area

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