| Terms |
Definitions |
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cotx
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cosx/sinx
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csc
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1/sinx
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tan
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1/cot
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tan(x+y)
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(tan(x)+tan(y))/(1-tan(x)tan(y))
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sin(x-y)
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sin(x)cos(y)-cos(x)sin(y)
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cosh(x)
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cosh(-x)
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sinh(-x)
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-sinh(x)
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tan (quotient)
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sinx/cosx
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cos((pi/2)-x)
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sin x
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cot((pi/2)-x)
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tan x
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tan2x
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2tanx / 1-tan^2x
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cos(2x)
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1-2(sinx)^2 = 2((cosx)^2)-1
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(cosx)^2
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(1+cos2x) / 2
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d(cot(x))
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d(cot(x) = –csc2(x)
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sinxcosy - cosxsiny
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sin(x-y)
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cos(x-y)
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cosxcosy + sinxsiny
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1 - 2sin²x
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cos(2x)
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cosxcosy - sinxsiny
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cos(x+y)
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1+cot^2 x
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csc^2 x
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cos x
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1/sec x
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csc _x_
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1/sin _x_
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sec²x =
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tanx + 1
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sin (A/2) = ?
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_____________
±√½(1 - cos A)
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1 - cos(2x)
---------------- =
2
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sin²x
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tan _x_
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sin _x_ /cos _x_
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∫(1/√a2 – x2)dx
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∫(1/√a2 – x2)dx = (1/a)sin–1(x/a) + c
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sin (-x)=csc (-x) =
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-sin x (odd)- csc x
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sin (2 A) = ?
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? = 2 sin A cos A
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sin 45
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sqrt2/2
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tan 0
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z
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sin 0
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z
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cos 45
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sqrt2/2
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angle of elevation
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angle above horizontal
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angle of depression
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angle below horizontal
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coterminal
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angles which share a terminal side
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amplitude
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half the difference between the minimum and maximum values of range
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reciprocal identities
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Trig identities defining cosecant, secant, and cotangent in terms of sine, cosine, and tangent
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phase shift
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horizontal shift for a periodic function
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pythagorean identities
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identities relating sine with cosine, tangent with secant, and cotangent with cosecant
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cofunction identities
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relationship between sine and cosine, tangent and cotangent, and secant and cosecant
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degree
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unit of angle measurement equal to a complete revolution
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odd even identities
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Trig identities which show whether each trig function is odd or even
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asymptotes
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line whose distance to a given curve tends to zero
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secant
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line intersecting a curve at two or more points
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product sum identities
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Trig identities showing how to rewrite products of sines and cosines as sums
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inverse secant function
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solved by asking which angle has secant equal to 2
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cosine
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the sine of the complement of a given angle or arc
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inverse cosecant function
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solved by asking which angle has cosecant equal to 2
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quadrantal angle
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angle with terminal side on the x axis or y axis
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sector of a circle
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part of the interior of a circle bounded by two radii and an arc
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