Problem

Problem

The range of the function f(x)=log⁡2(2−log⁡2(16sin⁡2x+1))f(x) = \log_{\sqrt{2}} (2 - \log_2 (16\sin^2 x + 1)) is (a) (−∞,1)(-\infty, 1) (b) (−∞,2)(-\infty, 2) (c) (−∞,1](-\infty, 1] (d) (−∞,2](-\infty, 2]

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