Question 806822
if the angle theta is in the second quadrant, and sin of theta is 1/9, what is tan of theta?
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cosx=-&#8730;(1-sin^2x)=&#8730;(1-1/81)=&#8730;(80/81)=&#8730;80/9
tanx=sinx/cosx=1/&#8730;80=&#8730;80/80=4&#8730;5/80=&#8730;5/20