tan(pie/4+A/2)=√1+SinA/1-sinA
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Section - A Let A = {x : x2 - 5x + 6 = 0},B={2 ,4}, C = {4, 5}. Write . If A = {1,2,3,4,5}, then write the number of proper subsets of A. If the arcs of same length in two circles subtend angles of 30° and 75° at their centres. Find the ratio of their radii. Let f= {(1, 1),(2, 3),(0, -1).(-1,-3)} be a linear function from Z to Z, find f(x).
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