Question 974031
The tangent of phi is -1 and the cosine of phi is negative square root 2/2 . Which is the cosecant of phi?
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angle phi is in quadrant II where cos<0, sin>0
cos phi=-&#8730;2/2
phi=135&#730;
sin phi=&#8730;2/2
csc phi=1/sin phi=2/&#8730;2=(2&#8730;2)/2