Question

$\tan{A} \cdot \tan{B} \cdot \tan{C}=9$, find $\tan^2{A}+\tan^2{B}+ \tan^2{C}$

score 576 · Answer 1 · 2026-03-31 13:36:33

576

Views

$\tan{A} \cdot \tan{B} \cdot \tan{C}=9$, find $\tan^2{A}+\tan^2{B}+ \tan^2{C}$

Published on 31 Mar 2026 - 13:36

score 470 · Answer 2 · 2026-03-25 01:28:51

470

Views

Proof Verification: If the diagonals of a parallelogram are congruent, then the parallelogram is a rectangle

Published on 25 Mar 2026 - 1:28

score 584 · Answer 3 · 2026-04-10 21:03:27

584

Views

How to prove that triangle is rectangular

Published on 10 Apr 2026 - 21:03

score 68 · Answer 4 · 2026-03-25 09:28:14

68

Views

Coplanarity of 4 points with one of the points having a variable Z coordinate

Published on 25 Mar 2026 - 9:28

score 28 · Answer 5 · 2026-03-31 23:28:17

28

Views

Why $\Phi_X(\partial P_{N,p})+\Phi_X(\partial P_{N,q})=\Phi_X(P_{N,p}\cup P_{N,q})$?

Published on 31 Mar 2026 - 23:28

score 2.6k · Answer 6 · 2018-01-25 17:28:13

2.6k

Views

The altitudes of a triangle are 10,12,15 cm each.Find the semiperimeter of the triangle.

Published on 25 Jan 2018 - 17:28

score 179 · Answer 7 · 2018-01-25 22:10:23

179

Views

For which values of $k$ the equation represents an ellipse

Published on 25 Jan 2018 - 22:10

score 94 · Answer 8 · 2026-04-09 00:31:18

94

Views

Find the probability of random line passing through two circles given that it passes through the first.

Published on 09 Apr 2026 - 0:31

score 859 · Answer 9 · 2026-04-09 03:37:03

859

Views

Circle inversion and the Pappus chain paradox

Published on 09 Apr 2026 - 3:37

score 72 · Answer 10 · 2026-04-09 00:04:26

72

Views

Unit-length 2D curve segment with maximal width along all directions

Published on 09 Apr 2026 - 0:04

score 324 · Answer 11 · 2026-04-01 00:34:21

324

Views

why such a point exists?

Published on 01 Apr 2026 - 0:34

score 218 · Answer 12 · 2026-03-31 13:35:45

218

Views

Find Radius of a Circle a Point Lies on Given Its Latitude

Published on 31 Mar 2026 - 13:35

score 1.1k · Answer 13 · 2026-04-09 02:45:50

1.1k

Views

What is the equation for an ellipse given 3 points and the tangent line at those points?

Published on 09 Apr 2026 - 2:45

score 89 · Answer 14 · 2026-03-25 01:26:18

89

Views

Determining angle given y of an oscillating function with constants c and r over a bounded range.

Published on 25 Mar 2026 - 1:26

score 60 · Answer 15 · 2026-04-08 20:46:37

60

Views

Mathematical proof statement

Published on 08 Apr 2026 - 20:46

List Question

$\tan{A} \cdot \tan{B} \cdot \tan{C}=9$, find $\tan^2{A}+\tan^2{B}+ \tan^2{C}$

Proof Verification: If the diagonals of a parallelogram are congruent, then the parallelogram is a rectangle

How to prove that triangle is rectangular

Coplanarity of 4 points with one of the points having a variable Z coordinate

Why $\Phi_X(\partial P_{N,p})+\Phi_X(\partial P_{N,q})=\Phi_X(P_{N,p}\cup P_{N,q})$?

The altitudes of a triangle are 10,12,15 cm each.Find the semiperimeter of the triangle.

For which values of $k$ the equation represents an ellipse

Find the probability of random line passing through two circles given that it passes through the first.

Circle inversion and the Pappus chain paradox

Unit-length 2D curve segment with maximal width along all directions

why such a point exists?

Find Radius of a Circle a Point Lies on Given Its Latitude

What is the equation for an ellipse given 3 points and the tangent line at those points?

Determining angle given y of an oscillating function with constants c and r over a bounded range.

Mathematical proof statement

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