Solving the Riemann Sum for Cosine Equation | Visualization | Calculus | R Programming

In this video, we explore the Riemann Sum concept applied to the cosine equation. To solve for the Riemann Sum, we compute the width of each subinterval and multiply it by the corresponding height (function evaluated within each subinterval), which gives us the area of each rectangle, and then we add the rectangles up. The Riemann Sum is an approximation to calculate the area under a curve using a definite integral. If we increase the number of rectangles over the interval, we decrease the error and obtain a better approximation.

This animation is created using R programming and results may be replicated by using computer code at:

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