Mathematics Flashcards
1
Q
1^2 = __
A
1
2
Q
2^2 = __
A
4
3
Q
3^2 = __
A
9
4
Q
4^2 = __
A
16
5
Q
5^2 = __
A
25
6
Q
6^2 = __
A
36
7
Q
7^2 = __
A
49
8
Q
8^2 = __
A
64
9
Q
9^2 = __
A
81
10
Q
10^2 = __
A
100
11
Q
11^2 = __
A
121
12
Q
12^2 = __
A
144
13
Q
13^2 = __
A
169
14
Q
14^2 = __
A
196
15
Q
15^2 = __
A
225
16
Q
16^2 = __
A
256
17
Q
17^2 = __
A
289
18
Q
18^2 = __
A
324
19
Q
19^2 = __
A
361
20
Q
20^2 = __
A
400
21
Q
√(2) ≈ __
A
1.4
22
Q
√(3) ≈ __
A
1.7
23
Q
rules of logarithms:
log(A) 1 = __
A
0
24
Q
rules of logarithms:
log(A) A = __
A
1
25
rules of logarithms:
| log A*B = __
log A + log B
26
rules of logarithms:
| log A/B = __
log A - log B
27
rules of logarithms:
| log A^B = __
B log A
28
rules of logarithms:
| log 1/A = __
- log A
29
conversion between common and natural logarithms:
log x ≈ ln x / 2.303
30
estimating logarithms:
e.g. log of 7,426,135,420 -->
log (n * 10^m) ≈ m + 0.n
e.g. log of 7,426,135,420 --> 7.4 x 10^9 --> 9 + 0.74 = 9.74 (actual = 9.87)
31
common trigonometric ratios:
| sin 0° = __
0
32
common trigonometric ratios:
| sin 30° = __
1/2
33
common trigonometric ratios:
| sin 45° = __
√(2)/2
34
common trigonometric ratios:
| sin 60° = __
√(3)/2
35
common trigonometric ratios:
| sin 90° = __
1
36
common trigonometric ratios:
| sin 180° = __
0
37
common trigonometric ratios:
| cos 0° = __
1
38
common trigonometric ratios:
| cos 30° = __
√(3)/2
39
common trigonometric ratios:
| cos 45° = __
√(2)/2
40
common trigonometric ratios:
| cos 60° = __
1/2
41
common trigonometric ratios:
| cos 90° = __
0
42
common trigonometric ratios:
| cos 180° = __
-1
43
common trigonometric ratios:
| tan 0° = __
0
44
common trigonometric ratios:
| tan 30° = __
√(3)/3
45
common trigonometric ratios:
| tan 45° = __
1
46
common trigonometric ratios:
| tan 60° = __
√(3)
47
common trigonometric ratios:
| tan 90° = __
undefined
48
common trigonometric ratios:
| tan 180° = __
0
49
Celcius to Farenheit:
F = 9/5 C + 32
