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f(x) = 10/cos-1(x). Use calculus to determine: a) all critical values b) any local extrema c)...

f(x) = 10/cos-1(x). Use calculus to determine: a) all critical values b) any local extrema c) any absolute extrema d) the intervals where f is increasing/decreasing e) any points of inflection rounded to the thousandths place f) intervals where f is concave up/down

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