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Hi, Look, 1. [x] [0] [ cos2x - 1 ] / [ cosx - 1 ] [x][0] [ - sin 2x ] / [ - sin 2(x/2) ] [x][0] [ sin 2x ]*x 2 / [ sin 2(x/2) ]*x 2 [ Multiplying by x 2 ] [x][0] [ sin 2x ]*(x 2/4) / [ sin 2(x/2) ]*(x^2 / 4) [x][0] [ sin 2x / (x^2) ]*4 / [ sin 2(x/2) / (x 2/4)] Ans : 4 2. [x][pie/2] Tan2x / [x-(pie/2)] [t][0] Tan2((pie/2)+t) / t [t][0] 2Tan2t / 2t Ans : 2 Hope you got the solutions !!!!!!
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Moderation Team
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