Question: numerical methods: Use an appropriate Matlab routine to find all the existing roots of the following function: f(x) = tan x-tanh X+ COS X Approximate

numerical methods: Use an appropriate Matlab routine to find all the existing roots of the following function: f(x) = tan x-tanh X+ COS X Approximate the function f(x) using Taylor expansion at (0) for 5 series terms. Evaluate the roots for the approximated function.Calculate the value of the two functions at x-0.5 and the relative true percentage error between the original function and its approximation

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