Narlin's user avatar
Narlin's user avatar
Narlin's user avatar
Narlin
  • Member for 6 years, 4 months
  • Last seen this week
  • Phoenix
9 votes
Accepted

How to calculate velocity of the ship in the direction of the current?

5 votes

Polar Coordinate function of a Straight Line

3 votes

Two ellipses with constant gap

3 votes

Parametric equation of a cone through 3D space

2 votes
Accepted

Why is the slope of stacked concentric circles 2*pi*r? (About a calculus video by 3Blue1Brown.)

2 votes
Accepted

Maximize a subtended angle by finding the circle though $A$ and $B$ which is tangent to the $x$-axis.

2 votes

Find a nice form of $1+\frac23+\frac{6}{3^2}+\frac{10}{3^3}+\dots$ with sigma notation

2 votes
Accepted

What is the cartesian equation of the $y=x^2$ parabola when it slides normally on the $f(x)= 3 \cos(x/3)$ curve with vertex at $(a, f(a))$.

2 votes

How to quickly convert to the parametric form of equation of line?

2 votes

How does implicit differentiation relate to multivariable calculus?

1 vote
Accepted

Differential geometry - Calculating length of a curve

1 vote
Accepted

Find the equation of a cone tangent to a sphere

1 vote
Accepted

Find all tangent planes of an ellipsoid which are parallel to $span \{[0,5,0],[1,5,-1]\}$

1 vote
Accepted

How to graph a lemniscate?

1 vote
Accepted

Acidifying Water: Calculating the best bang-for-the-buck

1 vote

Find the altitude of a tetrahedron whose faces are congruent triangles

1 vote

Calculus Made Easy -- finding angle of a tangent

1 vote

Finding the intersection of two 2d vector equations

1 vote

Question on bearings

1 vote
Accepted

Finding the perimeter of the required rectangle

1 vote
Accepted

How to find the height of an irregular triangular pyramid.

1 vote

A Minimum Path to visit $4$ points on a sphere (no intersections)

1 vote

calculate the position of a body moving along a path represented by given function.

1 vote

Finding the centroid of a triangle using vectors

1 vote

Reflect a ray off a circle so it hits another point

1 vote

Common area size

1 vote
Accepted

Distance from point to cone

1 vote

Related rates of a rotating light atop a moving car

1 vote

This problem can be solved graphically, but can it be solved mathematically?

1 vote

Vertices of a parallelogram inside of a quadrilateral using vectors