Evaluate ( (90^ -30^ ) 60^ (90^ -45^ ) ).

MATHEMATICS · Single correct · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

Evaluate csc⁡(90∘−30∘)×sin⁡60∘tan⁡(90∘−45∘)\dfrac{\csc(90^\circ-30^\circ)\times\sin60^\circ}{\tan(90^\circ-45^\circ)}. (a) 13\dfrac{1}{\sqrt3} (b) 11 (c) 34\dfrac{3}{4} (d) 32\dfrac{\sqrt3}{2}

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