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Tried to create a video for this answer, but status stayed in perpetual "preparing room...". Student requested help on writing...

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Tried to create a video for this answer, but status stayed in perpetual "preparing room...". Student requested help on writing...

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A straightforward, step-by-step solution to the problem: Find two positive numbers x and y satisfying y + 2x = 80 whose product is a...

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Show steps to convert an expression using summation notation to one without.

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The point of tangency is also the midpoint of the segment with endpoints that are the intersection of the tangent with the coordinate axes...

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This document contains a link to a video that generates the volume of a solid of revolution using both the shell method and the washer method...

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This file shows a classic proof that d/dx sin x = cos x From this you can then also derive quickly the derivatives of the other...

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When integrating functions over an area (2-D) when the domain is composed of circles, it becomes very cumbersome to carry out integration...

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When I teach college calculus, I routinely assign this list of problems to be completed during spring or winter break.

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Finding the derivative of trigonometric functions is an excellent exercise and requires application of basic principles of trigonometric...

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