How do you memorize the Unit Circle?

The unit circle can be daunting. It is necessary in all higher math classes and I am positive you will have a quiz or test on filling in the X and Y coordinates for each of the angles in the Unit... more


Finding the derivative of a function

Find the derivative of the given function. f(x)=6x3-9x+4

Vector Differentiation

Prove that (grad)^2 f(r) = D^2/dr^2 + (2/r) Df/DrWhere D^2/dr^2 refers to the second partial derivative of f , w.r.t. r and Df/ Dr refers to partial derivative of f, w.r.t rvector r = xi + yj + zk... more

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