very urgent' lim x tends to pi/2 [x-pi/2 /cosx] is equal to Share with your friends Share 2 Manbar Singh answered this limx→π/2x-π/2cos xput x-π2 = yas x→π2, y→0 limy→0ycosπ/2+y=limy→0y-sin y=-1limy→0sin yy=-1 as, limθ→0sin θθ = 1 -6 View Full Answer
