GATE | CS | 2012 | Engineering Mathematics | Calculus | Question 9

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Consider the function f(x) = sin(x) in the interval [π/4, 7π/4]. The number and location(s) of the local minima of this function are

One, at π/2

One, at 3π/2

Two, at π/2 and 3π/2

Two, at π/4 and 3π/2

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