SOLUTION: If sin O= -8/17 and tan O is positive, what is the value of cos O? O=omega

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Question 760128: If sin O= -8/17 and tan O is positive, what is the value of cos O?
O=omega
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
If sin O= -8/17 and tan O is positive, what is the value of cos O?
O=omega
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cos%28x%29=-sqrt%281-sin%5E2%28x%29%29=-sqrt%281-64%2F289%29=-sqrt%28225%2F289%29=-15%2F17
In Q3 where sin & cos <0, and tan>0