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Mathematics 16 Online
OpenStudy (anonymous):

Given sin x = -7/9 and sec x> 0, find cos and tan.

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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