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vijaygopal12345

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Deriving functions from graphs
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How to derive a function from a graph ? Say for example I collected a set of data points every time I run on a tread mill. For every time I stomp on the tread mill I will record the time delay betw...
Determining the use of a trig function
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I can understand what trigonometric functions are but unable to decide when to use one. How would some one decide when to use cosine or sine or inverse trig functions while plotting graphs or when ...