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| 1. |
What is the value of (32 $\cos^{6}$x – 48$\cos^{4}$ x + 18$\cos^{2}$ x – 1)/[4 sin x cos x sin (60 – x) cos (60 – x) sin (60 + x) cos (60 + x)]?1). 4 tan 6 x2). 4 cot 6x3). 8 cot 6x4). 8 tan 6x |
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