Calendar: 1877-1878 Page 595
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GENERAL LITERATURE AND SCIENCE 593 The coefficient of xn in the expansion of ex co is '- cos- Find the limits of 2x 2e 2cos i-i sin3 when χ And of χ -jr when χ and Change the independent variables from and to and in tPu -u dj2 aty2 dx dy where rcos6 sin If be double point on curve φ τ prove that the tangents at the double point are Trace the curve a1 x3 Shew that the evolute of the curve cosO may be represented by the equation cos the pole for the second equation being at distance 20 from the pole for the first Ρ
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