SSC CHSL 2013 · Question 170 of 207
æ ö 2 1 q - sin 2 q - 2 sin 1 q ç ÷ = x Þ sin = x è ø 2 q 2 cos q cos 2 2 2 q - q q sin (1 cos ) sin ( ) 2 Þ - q 1 cos = x 2 2 q q cos cos 2 2 q q = or tan sin x
Source: SSC CHSL Solved Paper 20-10-2013 (Disha Publications) · reliable-secondary
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