PreCalculus chapter 6 formulas
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| convert from degrees to radians | π/180
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| convert from radians to degrees | 180/π
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| area of a sector | A = 1/2 r^2 θ
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| angular velocity | w = θ/t
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| linear velocity | V = rθ/t
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| sinθ y-intercept | 0
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| cosθ y-intercept | 1
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| sinθ x-intercepts | nπ where n is an integer
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| cosθ x-intercepts | π/2 + nπ where n is an integer
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| period of sinθ | 2pi
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| period of cosθ | 2pi
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| domain of sinθ | all real numbers
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| domain of cosθ | all real numbers
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| range of sinθ | -1<y<1
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| range of cosθ | -1<y<1
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| maximums for sinθ | π/2 + 2πn where n is an integer
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| minimums for sinθ | 3π/2 + 2πn where n is an integer
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| maximums for cosθ | πn where n is an even integer
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| minimums for cosθ | πn where n is an odd integer
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| period of y = Asinkθ and y = Acoskθ | 2π/k where k>0
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| amplitude of y = Asinkθ and y = Acoskθ | |A|
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| phase shift y = Asin(kθ + c) | -c/k
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| phase shift direction | c>0 shifts left, c<0 shifts right
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| asymptotes of tanθ | (π/2)*n where n is an odd integer
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| period of tanθ | π
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
misswitz
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