Mathematics

Mathematics

Problem

The expression sin⁡22∘cos⁡8∘+cos⁡158∘cos⁡98∘sin⁡23∘cos⁡7∘+cos⁡157∘cos⁡97∘\frac{\sin 22^\circ \cos 8^\circ + \cos 158^\circ \cos 98^\circ}{\sin 23^\circ \cos 7^\circ + \cos 157^\circ \cos 97^\circ} when simplified reduces to - (A) 1 (B) −1-1 (C) 2 (D) None of these

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