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# How does that A S T C thing go? trig?

Which quadrants stand for which trig ratios, where they are positive at? How does that A S T C thing go?

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- Ed ILv 79 years agoFavorite Answer
There are many versions, among which are....

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All functions are positive in Quadrant I

sin (and csc) in Quadrant II

tan (and cot) in Quadrant III

cos (and sec) in Quadrant IV

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- 9 years ago
I use "All Star Trig Class"

This means that in Quadrant I "all" the sine, tan and cos are positive

In Quadrant II "star" only sine is positive

In Quadrant III "trig" only tan is positive

In Quadrant IV "class" only cos is positive

Check out this note page: http://teachers.henrico.k12.va.us/math/ito_08/07Ba...

Hope that helps...good luck!

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