Jim Lau Trig Facts
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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| sin0 | 0
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| csc0 | undefined
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| cos0 | 1
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| sec0 | 1
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| tan0 | 0
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| cot0 | undefined
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| sin pi/6 | 1/2
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| csc pi/6 | 2
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| cos pi/6 | rt3/2
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| sec pi/6 | 2rt3/3
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| tan pi/6 | rt3/3
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| cot pi/6 | rt3
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| sin pi/4 | rt2/2
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| csc pi/4 | rt2
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| cos pi/4 | rt2/2
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| sec pi/4 | rt2
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| tan pi/4 | 1
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| cot pi/4 | 1
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| sin pi/3 | rt3/2
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| csc pi/3 | 2rt3/3
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| cos pi/3 | 1/2
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| sec pi/3 | 2
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| tan pi/3 | rt3
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| cot pi/3 | rt3/3
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| sin pi/2 | 1
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| csc pi/2 | 1
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| cos pi/2 | 0
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| sec pi/2 | undefined
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| tan pi/2 | undefined
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| cot pi/2 | 0
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| sin 2pi/3 | rt3/2
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| csc 2pi/3 | 2rt3/3
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| cos 2pi/3 | -1/2
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| sec 2pi/3 | -2
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| tan 2pi/3 | -rt3
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| cot 2pi/3 | -rt3/3
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| sin 3pi/4 | rt2/2
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| csc 3pi/4 | rt2
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| cos 3pi/4 | -rt2/2
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| sec 3pi/4 | -rt2
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| tan 3pi/4 | -1
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| cot 3pi/4 | -1
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| sin 5pi/6 | 1/2
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| csc 5pi/6 | 2
🗑
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| cos 5pi/6 | -rt3/2
🗑
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| sec 5pi/6 | -2rt3/3
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| tan 5pi/6 | -rt3/3
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| cot 5pi/6 | -rt3
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| sin pi | 0
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| csc pi | undefined
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| cos pi | -1
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| sec pi | -1
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| tan pi | 0
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| cot pi | undefined
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| sin 7pi/6 | -1/2
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| csc 7pi/6 | -2
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| cos 7pi/6 | -rt3/2
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| sec 7pi/6 | -2rt3/3
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| tan 7pi/6 | rt3/3
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| cot 7pi/6 | rt3
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| sin 5pi/4 | -rt2/2
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| csc 5pi/4 | -rt2
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| cos 5pi/4 | -rt2/2
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| sec 5pi/4 | -rt2
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| tan 5pi/4 | 1
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| cot 5pi/4 | 1
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| sin 4pi/3 | -rt3/2
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| csc 4pi/3 | -2rt3/3
🗑
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| cos 4pi/3 | -1/2
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| sec 4pi/3 | -2
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| tan 4pi/3 | rt3
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| cot 4pi/3 | rt3/3
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| sin 3pi/2 | -1
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| csc 3pi/2 | -1
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| cos 3pi/2 | 0
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| sec 3pi/2 | undefined
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| tan 3pi/2 | undefined
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| cot 3pi/2 | 0
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| sin 5pi/3 | -rt3/2
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| csc 5pi/3 | -2rt3/3
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| cos 5pi/3 | 1/2
🗑
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| sec 5pi/3 | 2
🗑
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| tan 5pi/3 | -rt3
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| cot 5pi/3 | -rt3/3
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| sin 7pi/4 | -rt2/2
🗑
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| csc 7pi/4 | -rt2
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| cos 7pi/4 | rt2/2
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| sec 7pi/4 | rt2
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| tan 7pi/4 | -1
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| cot 7pi/4 | -1
🗑
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| sin 11pi/6 | -1/2
🗑
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| csc 11pi/6 | -2
🗑
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| cos 11pi/6 | rt3/2
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| sec 11pi/6 | 2rt3/3
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| tan 11pi/6 | -rt3/3
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| cot 11pi/6 | -rt3
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| sin 2pi | 0
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| csc 2pi | undefined
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| cos 2pi | 1
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| sec 2pi | 1
🗑
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| tan 2pi | 0
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| cot 2pi | undefined
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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:
sabbyshere
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