jhs math stuff and shit Flashcards
(a^2)(a^3)
a^5
(a^2)^3
a^6
a^-3
1/a^3
(ab)^3
a^3b^3
What is the relationship of quadrilaterals to parallelogram?
all quadrilaterals are always parallelogram, a parallelogram is sometimes a rhombus, square, rectangle.
Note all six trigonometric ratios.
Sine - opposite/hypotenuse Cosecant - hypotenuse/opposite
Cosine - adjacent/hypotenuse Secant - hypotenuse/adjacent
Tangent - opposite/adjacent Cotangent - adjacent/opposite
What are the two special triangles?
40 - 45 - 90 right triangle and 30 - 60 -90 right triangle
What is the formula of Pythagorean Theorem?
c^2=a^2+b^2
Law of sines : in any △ABC what is true?
sinA/a=sinB/b=sinC/c
a symbol used to denote the unknown measure of an angle
theta
Geometric series formula.
Sn=a1(1-r^n)/1-r
A line that touches the circle at a single point is known as _____
tangent
A straight line that intersects a circle in two points is called ______
secant
The formula to get the nth term of an arithmetic sequence.
an=a1+d(n-1)
The formula of the arithmetic series.
Sn=n/2(a1=an)
Formula for finding the nth term of a geometric sequence.
an=a1(r^n-1)
A function that involves only non-negative integer powers of a variable in an equation like the quadratic equation etc.
Polynomial function
Permutation of “PAGPAPAKATAO”
12P12=12!/(3!)(5!)
=665,280
Circular permutation formula
P=(n-1)!
Combination formula
nCr=n!/r!(n-r)!
