Semester 2 AP Precalc final exam formulas

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Last updated 4:49 PM on 5/23/26
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15 Terms

1
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Arc length

(Convert degrees to radians)

<p>(Convert degrees to radians)</p>
2
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Area of a sector

(Convert degrees to radians)

<p>(Convert degrees to radians)</p>
3
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Law of sines

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4
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Law of cosines

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5
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Area of a triangle given one angle and two sides

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6
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Angle between two vectors

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7
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Horizontal distance an object travels (parametric)

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8
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Vertical height of an object (parametric)

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9
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Distance

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10
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Converting rectangular coordinates to polar coordinates

x²+y²=r²

11
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Converting polar coordinates to rectangular coordinates

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12
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Distance between polar coordinates

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13
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Polar circle

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14
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How do you find the second triangle doing law of sines?

Take the supplement of the first angle you found and add it to the given angle.

15
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Know these variations of cos²(x)+sin²(x)=1

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