Why is cosine positive in the 4th quadrant and sine isn’t?

asked Sep 20, 2021 73.6k views

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by Eon

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2 votes

Answer:

Because sine can only be positive in quadrant II according to the CAST rule.

Doerig answered Sep 25, 2021

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asked Apr 10, 2021 51.2k views

M Alok asked Apr 10, 2021

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