WHAT DOSE IT MEAN?

1)+ Positive or negative
2)= is equal to
3) is approximately equal to
4)< is less than
5)< is less than or equal to
6)> is greater than
7)> is greater than or equal to
8)|x| absolute value of x
9)(x,y) ordered pair
10) is not equal to
11)sinA sine of angle A
12)cosA cosine of angle A
13)tanA tangent of angle A
14)~p not p
15) principal squareroot of x
16) degrees
17) || is parallel to
18)~ is similor to
19) line AB
20) segment AB
21) ray AB
22) vector AB
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