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Mathematics
Mathematics
Problem
Identify the trigonometric ratio that is always positive for any angle lying in the second quadrant. a)
tan
θ
\tan \theta
tan
θ
b)
cot
θ
\cot \theta
cot
θ
c)
sin
θ
\sin \theta
sin
θ
d)
cos
θ
\cos \theta
cos
θ
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