Trigonometry
SOH-CAH-TOA of sinø
OPPOSITE over HYPOTENUSE
Average=?
SUM OF THINGS over NUMBER OF THINGS
Digit is?
The numbers 0-9.
Area for a Triangle
A=1/2hb
Law of Sines
sinA/a = sinB/b = sinC/c
Median is?
The middle number (or average of the two middles) of an ordered set of numbers
Integer is?
Any whole number, wether positive, negative, or zero
Area and perimeter for a Rectangle
Area=lw
Perimeter=2l+2w
SOH-CAH-TOA of cosø
ADJACENT over HYPOTENUSE
Mode is?
The number which occurs most often in a set of numbers.
Multiple (of integer n) is?
An integer that is divisible by the integer n e.g. 4, 8, 12, and 16 are all multiples of 4
Parallelogram Area
A=bh
INVERSE OF x=sinø
ø=sin^-1(x)
Standard Deviation is?
Measurement of how spread out numbers are from the middle of a set.
Exponent is?
A number which indicates how many times another number is multiplied by itself.
Right Circular Cylinder Volume?
V=(pie)r^2h
Law of Cosines
c²=a²+b²-2ab cosC
Expected Value is?
The weighted average of a set.
Set is?
A collection of distinct elements, often depicted within brackets. e.g. the set A= {0, 1, 2, 4} consists of the elements 0, 1, 2, and 4
Trapezoid Area
A=(b1+b2) over 2 times H