plot a function and its tangent line
showtangent(f(x), x = a)
expression in x
value of x at the desired point of tangency
Important: The student package has been deprecated. Use the superseding command Student[Calculus1][Tangent] instead.
This routine generates a graph of the function defined by the expression f(x) and its tangent line at the point [a, f(a)].
The command with(student,showtangent) allows the use of the abbreviated form of this command.
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