A curve C C\,C has the parametric equations
x=tan2tx = \tan^2 tx=tan2t, y=costy = \cos ty=cost, where 0<t<π2\displaystyle 0 < t < \frac{\pi}{2}0<t<2π
Show that a Cartesian equation for C C\,C is
y2(x+1)=1y^2(x + 1) = 1y2(x+1)=1
State, using set notation, the domain and the range of CCC.
75 exam-style questions on CCEA A Level Maths 3.2 Co-ordinate geometry in the (x, y) plane (A-level only), covering 3.2.1 Co-ordinate geometry in the (x, y) plane (A-level only) and 3.2.2 Co-ordinate geometry in the (x, y) plane (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.