OpenStudy (anonymous):

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

3 years ago
OpenStudy (anonymous):

find the cosine, then flip it

3 years ago
OpenStudy (anonymous):

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3 years ago
OpenStudy (anonymous):

find the third side of the triangle via pythagoras, then use the trig ratios just be careful with the signs

3 years ago
OpenStudy (anonymous):

thanks

3 years ago
OpenStudy (anonymous):

|dw:1395805259092:dw|

3 years ago