Trig
What is SOH CAH TOA
sin=opp/hyp
cos=adj/hyptan=opp/adj
area of a right triangle
bXh/2
Circumference of a circle=?
Rectangle
What is the law of sins
sin a/a =sin b/b=sin c/c
What is hero's formula
area= square root of s(s-a)(s-b)(s-c)
s=(a+b+c)/2
area of a circle=?
pie r^2
What is the distance formula in 3D
Square root of (x2-x1)^2+(y2-y1)^2+(Z2-Z1)^2
What is the law of cos for a
a^2= b^2+ c^2 -2bc cosA
What are point slope and slope intercept form
Point slope=(y-y1)=m(x-x1)
slope intercept=y=mx+b
what are 45-45-90 triangles
x-x-x Square root of 2
Sa of no base
4 pie r^2
what are 30-60-90 triangles
x-x square root of 3-2x