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Pre-Calculus

Last updated 1:45 AM on 2/20/24
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17 Terms

1
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unit circle equation

x^2+y^2=1

2
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sin

sin=y, 2pi/b

<p>sin=y, 2pi/b</p>
3
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cos

x, 2pi/b

<p>x, 2pi/b</p>
4
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tan

y/x, 2pi/b, pi n

<p>y/x, 2pi/b, pi n</p>
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csc

1/y, 2pi/b, asymptote pi/b

<p>1/y, 2pi/b, asymptote pi/b</p>
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sec

1/x

<p>1/x</p>
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cot

x/y

<p>x/y</p>
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csc t

csc t = 1/sin

9
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sec t

sec t =1/cost

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cot t

cot t=1/tan

11
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tan t

tan t = sin t/cos t

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cot t

cot t = cos t/sin t

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what -t's aren't negative?

cos(-t) = cos t and sec(-t) = sec t

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Pythagorean identities w/=1

sin^2t+cos^2t=1

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Pythagorean identities w/ sec

tan^2 t + 1 = sec^2 t

16
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Pythagorean identities w/ csc

1+cot^2t = csc^2 t

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