0580 P41 - Nov 2020 - Q10 - 14 marks
13468
\(y=x^2+3x-4\).
(a(i)) Find the coordinates of A,B,C. [4]
(a(ii)) Differentiate \(x^2+3x-4\). [2]
(a(iii)) Find the tangent equation at (2,6). [3]
(b(i)) Sketch \(y=\tan x\) for \(0^\circ\le x\le360^\circ\). [2]
(b(ii)) Solve \(5\tan x=-7\) in this interval. [3]
