Math 2 Equations

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Last updated 7:39 PM on 10/19/26
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22 Terms

1
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tan(pi/6)

sqrt(3)/3

2
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tan(pi/4)

1

3
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tan(pi/3)

sqrt(3)

4
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sin(2x)

2sin(x)cos(x)

5
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cos(2x)

cos²(x)-sin²(x), 2cos²(x)-1, 1-2sin²(x)

6
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tan(2x)

(2tan(x))/(1-tan²(x))

7
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sin cos pythag

sin²(x)+cos²(x)=1

8
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sec tan pythag

sec²(x)-tan²(x)=1

9
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csc cot pythag

csc²(x)-cot²(x)=1

10
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d/dx cot(x)

-csc²(x)

11
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d/dx sec(x)

sec(x)tan(x)

12
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d/dx csc(x)

-csc(x)cot(x)

13
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lne

1

14
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ln1

0

15
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f(a)=b

f^-1(b)=a

16
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(f^-1)’(b)

1/f’(a)

17
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Volume of cone

V=(1/3)pir²h

18
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Area of circle

A=pir²

19
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Circumference of circle

C=2pir

20
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Surface area of sphere

S=4pir²

21
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Volume of sphere

V=(4/3)pir³

22
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Volume of pyramid

V=(1/3)b²h