Trig

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Last updated 1:56 AM on 10/6/26
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8 Terms

1
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how is csc, sec, and cot related to the main 3 (tan, sin, cos)

sinx = 1/cos(x)

cosx = 1/sec(x)

tanx = 1/cotx

cotx = cosx/sinx

2
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sin²x - 1 =

cos²x

3
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cos²x - 1 =

sin²x

4
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1 + tan²x =

sec²x

5
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sec²x -1 =

tan²x

6
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1 + cot²x =

csc²x

7
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csc²x -1 =

cot²x

8
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trig value chart