Precalc Ch 7. Important Formulas
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Precalculus Ch 7. Unit Circle & Other Important Formulas
Last updated 11:00 PM on 2/27/25
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5 Terms
1
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Arc Length Formula
s = rθ (in radians)
2
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Figuring out points on a circle (x,y)
( r cos θ, r sin θ )
3
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cos, sin & 1
cos2 t + sin2 t = 1
4
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sec and tan conversion
1 + tan2 t = sec2 t
5
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cot and csc conversion
1 + cot2 t = csc2 t
Note 
Flashcards (39)