New posts in Coordinate Systems

What is the best way to denote a set of solutions in a professional setting?

Do coordinate components transform in the same or opposite way as their bases?

Are trigonometry functions Ratios or Distance?

What is the greatest possible radius of a circle that passes through the points (1, 2) and (4, 5), whose interior is contained Q1?

Line$ 3x-4y+k$ touches a circle $x^2+y^2-4x-8y-5 = 0$ at $(a,b)$, then find $k+a+b =?$

Probability that $\displaystyle \vert x\vert +\vert y\vert +\vert z\vert +\vert x+y+z\vert=\vert x+y\vert +\vert x+z\vert +\vert y+z\vert$

Does having two lines of symmetry $y=0$ and $y=-x$ imply that the shape also has lines of symmetry $x=0$ and $y=x$

In an acute triangle ABC, the base BC has the equation $4x – 3y + 3 = 0$. If the coordinates of the orthocentre (H) and circumcentre (P).

Are rational points dense on every circle in the coordinate plane?

Infinite sum of reciprocals of squares of lengths of tangents from origin to the curve $y=\sin x$