I dont understand how they figure these problems out.(adsbygoogle = window.adsbygoogle || []).push({});

Give the quadrant in which each of the following points are located, and determine which of the functions are postive and which are negative.

(4, 3) Quadrant I; SIN +; COS +; TAN +; CSC +; SEC +; COT +;

I understand that I think, but how do they determine (-3,4)? Can someone explain?

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# Sin, cos, tan, csc, sec, cot

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