1.

If A=2 sin2x-cos 2x, then A lies in the interval(a) -1, 3(b) 1, 2(c) -2, 4(d) none of these

Answer» If A=2 sin2x-cos 2x, then A lies in the interval

(a) -1, 3

(b) 1, 2

(c) -2, 4

(d) none of these


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