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OpenStudy (anonymous):
Look at the figure. If sin y°=9/c and tan y°=9/d , what is the value of cos y°? A.) cos y = 9c B.) cos y = d/c C.) cos y = 9d D.) cos y = c/d
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OpenStudy (anonymous):
OpenStudy (anonymous):
cosy = d/c because tany = siny/cosy = (9/c)/(d/c) = 9/d as stated in the given.
OpenStudy (anonymous):
tan =sin/cos
OpenStudy (anonymous):
so the answer is C ?
OpenStudy (anonymous):
ok thanks
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