Unit Circle
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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| sin 0° | 0
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| cos 0° | 1
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| tan 0° | 0
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| sin 0 | 0
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| cos 0 | 1
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| tan 0 | 0
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| sin 30° | 1/2
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| cos 30° | √3/2
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| tan 30° | √3/3
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| sin π/6 | 1/2
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| cos π/6 | √3/2
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| tan π/6 | √3/3
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| sin 45° | √2/2
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| cos 45° | √2/2
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| tan 45° | 1
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| sin π/4 | √2/2
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| cos π/4 | √2/2
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| tan π/4 | 1
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| sin 60° | √3/2
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| cos 60° | 1/2
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| tan 60° | √3
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| sin π/3 | √3/2
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| cos π/3 | 1/2
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| tan π/3 | √3
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| sin 90° | 1
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| cos 90° | 0
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| tan 90° | undefined
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| sin π/2 | 1
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| cos π/2 | 0
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| tan π/2 | undefined
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| sin 120° | √3/2
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| cos 120° | -1/2
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| tan 120° | -√3
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| sin 2π/3 | √3/2
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| cos 2π/3 | -1/2
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| tan 2π/3 | -√3
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| sin 135° | √2/2
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| cos 135° | -√2/2
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| tan 135° | -1
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| sin 3π/4 | √2/2
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| cos 3π/4 | -√2/2
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| tan 3π/4 | -1
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| sin 150° | 1/2
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| cos 150° | -√3/2
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| tan 150° | -√3/3
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| sin 5π/6 | 1/2
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| cos 5π/6 | -√3/2
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| tan 5π/6 | -√3/3
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| sin 180° | 0
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| cos 180° | -1
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| tan 180° | 0
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| sin π | 0
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| cos π | -1
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| tan π | 0
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| sin 210° | -1/2
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| cos 210° | -√3/2
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| tan 210° | √3/3
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| sin 7π/6 | -1/2
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| cos 7π/6 | -√3/2
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| tan 7π/6 | √3/3
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| sin 225° | -√2/2
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| cos 225° | -√2/2
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| tan 225° | 1
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| sin 5π/4 | -√2/2
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| cos 5π/4 | -√2/2
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| tan 5π/4 | 1
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| sin 240° | -√3/2
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| cos 240° | -1/2
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| tan 240° | √3
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| sin 4π/3 | -√3/2
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| cos 4π/3 | -1/2
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| tan 4π/3 | √3
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| sin 270° | -1
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| cos 270° | 0
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| tan 270° | undefined
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| sin 3π/2 | -1
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| cos 3π/2 | 0
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| tan 3π/2 | undefined
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| sin 300° | -√3/2
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| cos 300° | 1/2
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| tan 300° | -√3
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| sin 5π/3 | -√3/2
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| cos 5π/3 | 1/2
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| tan 5π/3 | -√3
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| sin 315° | -√2/2
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| cos 315° | √2/2
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| tan 315° | -1
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| sin 7π/4 | -√2/2
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| cos 7π/4 | √2/2
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| tan 7π/4 | -1
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| sin 330° | -1/2
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| cos 330° | √3/2
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| tan 330° | -√3/3
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| sin 11π/6 | -1/2
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| cos 11π/6 | √3/2
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| tan 11π/6 | -√3/3
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| sin 360° | 0
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| cos 360° | 1
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| tan 360° | 0
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| sin 2π | 0
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| cos 2π | 1
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| tan 2π | 0
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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.
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.
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:
cunninev
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