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 ▸

How do you solve an equation by completing the square?


The curve y = 2x^3 -ax^2 +8x+2 passes through the point B where x = 4. Given that B is a stationary point of the curve, find the value of the constant a.


How do i know where a stationary point is and what type of stationary point it is?


Find dy/dx such that y=(e^x)(3x+1)^2.