1.

If sin (π cos x) = cos (π sin x), then sin 2 x =(a) ±34(b) ±43(c) ±13(d) none of these

Answer» If sin (π cos x) = cos (π sin x), then sin 2 x =



(a) ±34



(b) ±43



(c) ±13



(d) none of these


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