SOLUTION: if tan theta equals 2 with theta in quadrant III find sec theta.

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Question 744674: if tan theta equals 2 with theta in quadrant III find sec theta.
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
if tan theta equals 2 with theta in quadrant III find sec theta.
Identity: sec^2(x)-tan^2(x)=1
sec^2(x)=4+1=5
sec(x)=-√5 (x in Q3 where sec<0)