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Show that the equation of the normal to the ellipse x^2/a^2 + y^2/b^2 = 1 at P( acosX , bsinX ) is given by axsinX - bycosX = (a^2 - b^2)sinXcosX. The normal at P meets the x-axis at M and N is the foot of the perpendicular PN to the axis. Prove that MN = (b^2.cosX)/a Show that the tangent...

im changing schools next year and i wanted to do ITM (Industrial Technology Multimedia) but they don't offer it at the school im moving to. They offer Software Design and development. what is it? is it kinda the same as ITM? thanks. :]

hey. as the title suggests. im going to girraween next year ['o9] for year 11. i just wanted to know what to expect.. eg. does everyone/most people do tutoring. ive been considering starting tutoring.. but im not having any problems with my schoolwork. my exam results have been around...