vkinard
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I am a math teacher in NY! I've taught high school and middle school math here, and I have previously tutored for math classes from prealgebra all the way to Calculus and Finite Math for college students. I hope I can help you!
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Answered a Question in Math
An integral in which one of the limits of integration is infinity is an improper integral. Because we cannot find the definite integral using infinity (since it is not an actual value), we will... 
Answered a Question in Math
This is an example of the fundamental counting principle. It says that if there are m choices for the first task and n choices for the second task, then there are m*n choices for both tasks. This... 
Answered a Question in Math
There are often multiple ways to verify trig identities. Here is an alternative way to approach the problem. Here is another option: `(cos^3x*sec^2x+tanx*sinx)/(cotx*sinx)*cscx` First substitute... 
Answered a Question in Math
Before we can begin to find the integral, we must do some rearranging using some trig identities so that we have integrals that we can work with. We will need to remember the following identities... 
Answered a Question in Math
The arc length of a function of x, f(x), over an interval is determined by the formula below: `L=int_a^bsqrt(1+((dy)/(dx))^2)dx` So using the function given, let us first find `(dy)/(dx):`...
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