Calendar: 1876-1877 Page 552

552 CL0THW0RKER8' SCIENCE EXHIBITION -aritijmctif algebra anil Plane Crtgonometrn If 63 yards cost 40 guineas what length can be bought for £567 15 Simplify 2T Si 2f 14$ Reduce £ J0 £ of guinea to the fraction of 2s 6d Divide 12 by 000625 When last before noon are the hands of clock together Find the condition that -f px3 rx may be perfect square Find the value of -j---- when χ Ί χ χ If and β be the roots of the equation ax2 bx form the equation of which the roots are and If zia then will bz ey' ex az ay bx Prove the formulee sins -j- Coss tan sin ------ Vl tau tan Vl tan tan Λ sin sin cos Β cos sin