Calendar: 1849-1850 Page 299

AWIAET SCIENCES 297 14 What is Vernier Explain its use 15 When tan χ χ show that χ very nearly 1G If be the length of straight line drawn from the vertex of triangle bisecting the base 2c the area of the triangle ca -7ς- tan II rurlfr ftlgrbrn Cngononuttn On what day of the week will April 3d 1899 he If χ4 ρ x3 x2 -j- χ be perfect square p3 ρ If straight line stand at right angles to two straight lines at the point of their intersection it is at right angles to the place ill which they are The product of the sum of two squares by double square is also the sum of two squares Write down the general term of bx ex2 Prove the formula cos --- and also the 2b geometrical theorem on which the demonstration is founded being an acute angle If four straight lines are proportionals the similarly described rectilinear figures are also proportionals and the converse lf he 71 the ls Find τ and when- 430 ax by 10 cargo is sold for £2200 and 12 per cent is lost whereas it was expected to gain 10 per cent for what was the cargo sold below its value