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  Item Reference: KCLCAL-1874-1875-546

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546 general literature and science 22 Find tlie polar co-ordinates of the point of intersection of the straight lines ζ 2a sec θ ζ sec θ and the angle between them 23 Express the area of triangle in terms of the co-ordinates of its angular points and tind the area contained by the straight lines χ tan χ tan β χ tan γ 24 Find the condition that three straight lines may meet at point Prove that in any triangle the straight lines drawn from the angles perpendicular to the opposite sides meet in point III -Slgcbra anil 5taganomttr Simplify -a --1 ο β x" χ" Find the value of V3 -rz- when χ 1- -f Vl Vl י Solve the equations jj btx rz 19 1- ךן hy 4- ax by ez -- Κ iy זנז
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