weekly blog post

SOH CAH TOA

sintheta sin= (opposite)/(hypotenuse)
costheta cos= (adjacent)/(hypotenuse)
tantheta tan= (opposite)/(adjacent).

How to determine the volume of a sphere

SA = 4r^2

How to calculate the surface area of a sphere

V = \frac{4}{3} r^3

 

Slope

how to determine a slope is to divide the unit of rise by run

\frac{rise}{run}

Slope intercept form [ y = \frac{1}{3} x + 3]

Point slope form [\frac{1}{3} (x-6) = y -5]

General form [ x – 3y + 9 = 0 ]Numbers

 

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