rosepetals59961 rosepetals59961 14-03-2024 Mathematics contestada Find the derivative of f(x) = (tan(x) + 1) (cot(x) − 1) .a) f'(x) = 1b) f'(x) = sec²(x) c) f'(x) = tan(x) d) f'(x) = cot(x)