Determine the number(s), x, between 0 and 2T where the line tangent to the function f(x) = 5 3 sin(x) – 5 cos(x) is horizontal. 2т 10т a) Oz = 3 3 b) Or = 3' 3 {플,똥} c) Oz = T 37 2' 2 d) Ox = e) Or = {0, 1}

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