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OpenStudy (anonymous):
Given sin x = -7/9 and sec x> 0, find cos and tan.
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OpenStudy (anonymous):
find the cosine, then flip it
OpenStudy (anonymous):
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OpenStudy (anonymous):
find the third side of the triangle via pythagoras, then use the trig ratios just be careful with the signs
OpenStudy (anonymous):
thanks
OpenStudy (anonymous):
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