Question

Proof for $\cos(\alpha)^2 + \cos(\beta)^2 + \cos(\gamma)^2 = 1$ in Euclidean space

score 3.7k · Answer 1 · 2026-04-14 02:20:17

3.7k

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Proof for $\cos(\alpha)^2 + \cos(\beta)^2 + \cos(\gamma)^2 = 1$ in Euclidean space

Published on 14 Apr 2026 - 2:20

score 263 · Answer 2 · 2026-04-11 18:37:10

263

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How to Create a Plane Inside A Cube

Published on 11 Apr 2026 - 18:37

score 510 · Answer 3 · 2026-04-12 04:53:08

510

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Finding the point that a normal line goes through

Published on 12 Apr 2026 - 4:53

score 679 · Answer 4 · 2026-04-12 05:37:21

679

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Finding the equation of a curve by using the points of intersection of tangent and normal on the X and Y axis and other information.

Published on 12 Apr 2026 - 5:37

score 373 · Answer 5 · 2026-04-17 12:58:19

A chord of the ellipse $ \frac{x^2}{25}+\frac{y^2}{16} = 1$ t intersect the ellipse at $A$ and $B$. then maximum of $PA\cdot PB$

score 281 · Answer 6 · 2026-04-13 17:43:20

281

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Why are quadratic equations the same as right circular conic sections?

Published on 13 Apr 2026 - 17:43

score 1.7k · Answer 7 · 2026-04-17 02:31:48

1.7k

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Area enclosed by the curve $\lfloor x + y\rfloor + \lfloor x - y\rfloor = 5$

Published on 17 Apr 2026 - 2:31

score 180 · Answer 8 · 2026-04-17 09:29:50

180

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$A(4,2)$ and $B(2,4)$ are 2 given points and the point P on the line $3x+2y+10=0$. Find $P$ for which $PA+PB$ is maximum

Published on 17 Apr 2026 - 9:29

score 977 · Answer 9 · 2026-04-24 09:10:28

977

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Ellipse tangent to two circles

Published on 24 Apr 2026 - 9:10

score 637 · Answer 10 · 2026-04-14 18:38:11

637

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A line through $P=(\sqrt3,0)$ and at an angle of $\pi/3$ with the positive direction of x axis cuts the parabola $y^2=x+2$ at A and B

Published on 14 Apr 2026 - 18:38

score 1.4k · Answer 11 · 2026-04-12 10:08:32

1.4k

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How do I get the y coordinate of a Bezier curve, given x coordinate?

Published on 12 Apr 2026 - 10:08

score 69 · Answer 12 · 2026-04-14 23:16:12

69

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Solution such that complex function W is a straight line in W-plane

Published on 14 Apr 2026 - 23:16

score 806 · Answer 13 · 2026-04-12 04:10:27

806

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Minimum sum in quadrilateral

Published on 12 Apr 2026 - 4:10

score 71 · Answer 14 · 2026-03-25 10:58:56

71

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What is the angle of a line through the interior and two vertices to one face of an icosahedron?

Published on 25 Mar 2026 - 10:58

score 200 · Answer 15 · 2026-04-14 16:41:16

200

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How many straight lines are included in each hypersurface

Published on 14 Apr 2026 - 16:41

List Question

Proof for $\cos(\alpha)^2 + \cos(\beta)^2 + \cos(\gamma)^2 = 1$ in Euclidean space

How to Create a Plane Inside A Cube

Finding the point that a normal line goes through

Finding the equation of a curve by using the points of intersection of tangent and normal on the X and Y axis and other information.

A chord of the ellipse $ \frac{x^2}{25}+\frac{y^2}{16} = 1$ t intersect the ellipse at $A$ and $B$. then maximum of $PA\cdot PB$

Why are quadratic equations the same as right circular conic sections?

Area enclosed by the curve $\lfloor x + y\rfloor + \lfloor x - y\rfloor = 5$

$A(4,2)$ and $B(2,4)$ are 2 given points and the point P on the line $3x+2y+10=0$. Find $P$ for which $PA+PB$ is maximum

Ellipse tangent to two circles

A line through $P=(\sqrt3,0)$ and at an angle of $\pi/3$ with the positive direction of x axis cuts the parabola $y^2=x+2$ at A and B

How do I get the y coordinate of a Bezier curve, given x coordinate?

Solution such that complex function W is a straight line in W-plane

Minimum sum in quadrilateral

What is the angle of a line through the interior and two vertices to one face of an icosahedron?

How many straight lines are included in each hypersurface

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