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OpenStudy (anonymous):
Let theta be an angle in quadrant 4 such that tan (theta)= -2/5. FIND COS (THETA) AND CSC (THETA)
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OpenStudy (alexwee123):
well if its in the 4rth quadrant then you know the coordinates are (x,-y) so from the info given you know that y=-2 and x=5 and now all you need is "r" or the length
OpenStudy (alexwee123):
to get r you would use the right triangle trig kinda so |dw:1341628014356:dw|
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