FSM Trigonometry
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Last updated 4:54 PM on 6/4/26
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21 Terms
1
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Derivation of cot x
cot x = cos x / sin x (equivalently: 1 / tan x)
2
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Derivation of sec x
sec x = 1 / cos x
3
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Derivation of cosec x
cosec x = 1 / sin x
4
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Value of sin(0)
0
5
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Value of sin(π/4)
√2/2
6
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Value of sin(π/2)
1
7
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Value of sin(π)
0
8
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Value of sin(3π/2)
-1
9
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Value of sin(2π)
0
10
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Value of cos(0)
1
11
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Value of cos(π/4)
√2/2
12
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Value of cos(π/2)
0
13
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Value of cos(π)
-1
14
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Value of cos(3π/2)
0
15
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Value of cos(2π)
1
16
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Value of tan(0)
0
17
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Value of tan(π/4)
1
18
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Value of tan(π/2)
Undefined
19
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Value of tan(π)
0
20
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Value of tan(3π/2)
Undefined
21
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Value of tan(2π)
0