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Last updated 5:15 PM on 3/13/25
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20 Terms
1
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Reciprocal
sinθ =
1/cscθ
2
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Reciprocal
cosθ =
1/secθ
3
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Reciprocal
tanθ =
1/cotθ
4
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Quotient
tanθ =
sinθ/cosθ
5
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Quotient
cotθ =
cosθ/sinθ
6
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Pythagorean
sin²θ + ____ = 1
cos²θ
7
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Pythagorean
1 + ____ = sec²θ
tan²θ
8
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Even-Odd
sin(-θ) =
-sinθ
9
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Even-Odd
cos(-θ) =
cosθ
10
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Even-Odd
tan(-θ) =
-tanθ
11
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Even-Odd
csc(-θ) =
-cscθ
12
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Even-Odd
sec(-θ) =
secθ
13
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Even-Odd
cot(-θ) =
cotθ
14
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Confunction
sin(90°- θ) =
cosθ
15
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Confunction
cos(90°- θ) =
sinθ
16
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Confunction
tan(90°- θ) =
cotθ
17
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Confunction
csc(90°- θ) =
secθ
18
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Confunction
sec(90°- θ) =
cscθ
19
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Confunction
cot(90°- θ) =
tanθ
20
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90° also equals
π/2 (pi over 2)
Note 
Flashcards (25)