Find an equation of the curve with parametric equations x=3sin(A) and y=4cos(A), in the form bx^2+cy^2=d.

x2=9sin2(A) and y2=16cos2(A)Since sin2(A)+cos2(A)=116x2+9y2=16 x 916x2+9y2=144

PV

Related Maths A Level answers

All answers ▸

Find the differential of y(x)=(5x*Cos(3x))^2


Find the coordinates of the stationary points of the curve 3x=y+6x+3


Expand the expression (1+3x)^1/3 up to the term x^3.


What is the integral of 2x^5 - 1/4x^3 - 5