CalcNotes0102-page4

CalcNotes0102-page4 - Warning : Remember that the...

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(Chapter 1: Review) 1.28 Defining the Six Basic Trig Functions (where ± is acute) The Ancient Curse (or “How to Define Trig Functions”) SOH-CAH-TOA Sine = sin = Opp. Hyp. Cosine = cos = Adj. Hyp. Tangent = tan = Opp. Adj. Reciprocal Identities (or “How to Define More Trig Functions”) Cosecant = csc = 1 sin = Hyp. Opp. ² ³ ´ µ · Secant = sec = 1 cos = Hyp. Adj. ² ³ ´ µ · Cotangent = cot = 1 tan = Adj. Opp.
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Unformatted text preview: Warning : Remember that the reciprocal of sin is csc , not sec . Note : We typically treat 0 and undefined as reciprocals when we are dealing with trig functions. Your algebra teacher will not want to hear this, though!...
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This note was uploaded on 12/29/2011 for the course MATH 150 taught by Professor Sturst during the Fall '10 term at SUNY Stony Brook.

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