Geometry and Trigonometry

Volumes, perimeters, angles, identities, triangles, sin, cos, tan.

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  1. user156

    Prove the geometric statements

    user156, Sep 29, 2024
    Replies:
    0
    Views:
    151
    user156
    Sep 29, 2024
  2. solo_guitar

    Find Area of Shaded Region

    solo_guitar, Sep 11, 2024
    Replies:
    1
    Views:
    113
    Oculus8596
    Sep 17, 2024
  3. DoyLin

    A tilted container with water inside - how to calculate the distance A

    DoyLin, Sep 16, 2024
    Replies:
    0
    Views:
    81
    DoyLin
    Sep 16, 2024
  4. solo_guitar

    Determine Which Are Right Triangles

    solo_guitar, Sep 11, 2024
    Replies:
    0
    Views:
    60
    solo_guitar
    Sep 11, 2024
  5. solo_guitar

    Find Hypotenuse of Right Triangles

    solo_guitar, Sep 11, 2024
    Replies:
    0
    Views:
    56
    solo_guitar
    Sep 11, 2024
  6. solo_guitar

    Area of Shaded Region

    solo_guitar, Sep 11, 2024
    Replies:
    0
    Views:
    50
    solo_guitar
    Sep 11, 2024
  7. nforystek

    How may I find the line segment formed that two 3D triangles in certain collision make?

    nforystek, Sep 2, 2024
    Replies:
    0
    Views:
    105
    nforystek
    Sep 2, 2024
  8. finnboltz

    Geometric series and ellipses

    finnboltz, Jun 13, 2024
    Replies:
    0
    Views:
    577
    finnboltz
    Jun 13, 2024
  9. Alexis

    Bearings and sine law

    Alexis, Jun 2, 2024
    Replies:
    2
    Views:
    501
    RobertSmart
    Jun 5, 2024
  10. MathsforMaths

    Wrong question about parallel sides

    MathsforMaths, Feb 22, 2024
    Replies:
    5
    Views:
    596
    Phrzby Phil
    Feb 22, 2024
  11. Vast3

    A Formula For Prime Pythagoreans

    Vast3, Dec 7, 2023
    Replies:
    1
    Views:
    514
    mathtotal
    Dec 9, 2023
  12. nycmathguy

    Similar Triangles

    nycmathguy, Jul 8, 2022
    Replies:
    3
    Views:
    514
    HallsofIvy
    Nov 28, 2023
  13. nycmathguy

    Equation for Cosine Function

    nycmathguy, Jul 17, 2022
    Replies:
    5
    Views:
    396
    HallsofIvy
    Nov 28, 2023
  14. Perlita_k

    Similar triangles?? Proportions

    Perlita_k, Oct 11, 2023
    Replies:
    1
    Views:
    547
    e.jane.aran
    Oct 11, 2023
  15. eski

    Proofs of a better way to do trigonometry

    eski, Jul 31, 2023
    Replies:
    0
    Views:
    599
    eski
    Jul 31, 2023
  16. sam110

    Find the position of point c

    sam110, May 7, 2023
    Replies:
    0
    Views:
    530
    sam110
    May 7, 2023
  17. StockholmEd

    The slope of the ratio of two lines

    StockholmEd, Dec 22, 2022
    Replies:
    6
    Views:
    1,078
    StockholmEd
    Mar 16, 2023
  18. nycmathguy

    Congruent Triangles

    nycmathguy, Jul 8, 2022
    Replies:
    3
    Views:
    489
    Phrzby Phil
    Jan 26, 2023
  19. GregJ7

    Calculating angles for wood joinery

    GregJ7, Nov 5, 2022
    Replies:
    0
    Views:
    603
    GregJ7
    Nov 5, 2022
  20. nycmathguy

    Equation for Sine Function

    nycmathguy, Jul 17, 2022
    Replies:
    2
    Views:
    390
    nycmathguy
    Jul 27, 2022
  21. qfxz

    A question about spherical geometry

    qfxz, Jul 24, 2022
    Replies:
    10
    Views:
    438
    nycmathguy
    Jul 26, 2022
  22. nycmathguy

    State the Period...1

    nycmathguy, Jul 17, 2022
    Replies:
    2
    Views:
    385
    nycmathguy
    Jul 26, 2022
  23. nycmathguy

    Amplitude, Phase Shift & Period...1

    nycmathguy, Jul 17, 2022
    Replies:
    2
    Views:
    338
    nycmathguy
    Jul 26, 2022
  24. nycmathguy

    Amplitude, Phase Shift and Period...2

    nycmathguy, Jul 17, 2022
    Replies:
    0
    Views:
    349
    nycmathguy
    Jul 17, 2022
  25. nycmathguy

    State the Period...2

    nycmathguy, Jul 17, 2022
    Replies:
    0
    Views:
    349
    nycmathguy
    Jul 17, 2022
  26. nycmathguy

    Single Trigonometric Function

    nycmathguy, Jul 2, 2022
    Replies:
    4
    Views:
    370
    nycmathguy
    Jul 2, 2022
  27. nycmathguy

    Verify Each Identity

    nycmathguy, Jul 2, 2022
    Replies:
    3
    Views:
    452
    nycmathguy
    Jul 2, 2022
  28. nycmathguy

    State Period & Phase Shift

    nycmathguy, Jul 2, 2022
    Replies:
    2
    Views:
    408
    nycmathguy
    Jul 2, 2022
  29. nycmathguy

    Geometric Proofs...4

    nycmathguy, Jun 28, 2022
    Replies:
    10
    Views:
    375
    nycmathguy
    Jun 29, 2022
  30. nycmathguy

    Geometric Proofs...2

    nycmathguy, Jun 28, 2022
    Replies:
    2
    Views:
    378
    nycmathguy
    Jun 29, 2022
  31. nycmathguy

    Geometric Proofs...1

    nycmathguy, Jun 28, 2022
    Replies:
    2
    Views:
    377
    nycmathguy
    Jun 29, 2022
  32. nycmathguy

    Geometric Proofs...3

    nycmathguy, Jun 28, 2022
    Replies:
    2
    Views:
    354
    nycmathguy
    Jun 29, 2022
  33. nycmathguy

    Working With Circle Q

    nycmathguy, Jun 28, 2022
    Replies:
    8
    Views:
    442
    nycmathguy
    Jun 29, 2022
  34. nycmathguy

    How Far Apart Are the Two Boats?

    nycmathguy, Jun 28, 2022
    Replies:
    2
    Views:
    387
    nycmathguy
    Jun 29, 2022
  35. Millamber

    Creating Rectangles

    Millamber, Jun 26, 2022
    Replies:
    0
    Views:
    336
    Millamber
    Jun 26, 2022
  36. nycmathguy

    Triangle ABC...3

    nycmathguy, Jun 25, 2022
    Replies:
    4
    Views:
    330
    nycmathguy
    Jun 26, 2022
  37. nycmathguy

    Triangle ABC...4

    nycmathguy, Jun 25, 2022
    Replies:
    2
    Views:
    379
    nycmathguy
    Jun 26, 2022
  38. nycmathguy

    Triangle ABC...2

    nycmathguy, Jun 25, 2022
    Replies:
    2
    Views:
    353
    nycmathguy
    Jun 26, 2022
  39. nycmathguy

    Solve Trigonometric Equation...4

    nycmathguy, Jun 24, 2022
    Replies:
    8
    Views:
    379
    nycmathguy
    Jun 26, 2022
  40. nycmathguy

    Triangle ABC...1

    nycmathguy, Jun 25, 2022
    Replies:
    2
    Views:
    369
    nycmathguy
    Jun 26, 2022
  41. nycmathguy

    Solve Trigonometric Equation...3

    nycmathguy, Jun 24, 2022
    Replies:
    2
    Views:
    338
    nycmathguy
    Jun 25, 2022
  42. nycmathguy

    Solve Trigonometric Equation...2

    nycmathguy, Jun 24, 2022
    Replies:
    2
    Views:
    317
    nycmathguy
    Jun 25, 2022
  43. nycmathguy

    Solve Trigonometric Equation...1

    nycmathguy, Jun 24, 2022
    Replies:
    2
    Views:
    360
    nycmathguy
    Jun 25, 2022
  44. nycmathguy

    Find Length of Shadow

    nycmathguy, Jun 19, 2022
    Replies:
    2
    Views:
    374
    nycmathguy
    Jun 19, 2022
  45. nycmathguy

    Verify Trigonometric Identity...2

    nycmathguy, Jun 19, 2022
    Replies:
    2
    Views:
    391
    nycmathguy
    Jun 19, 2022
  46. nycmathguy

    Verify Trigonometric Identity...1

    nycmathguy, Jun 19, 2022
    Replies:
    2
    Views:
    359
    nycmathguy
    Jun 19, 2022
  47. nycmathguy

    Find Angle of Depression

    nycmathguy, Jun 19, 2022
    Replies:
    2
    Views:
    562
    nycmathguy
    Jun 19, 2022
  48. nycmathguy

    Find x...2

    nycmathguy, Jun 18, 2022
    Replies:
    2
    Views:
    412
    nycmathguy
    Jun 18, 2022
  49. nycmathguy

    Find x

    nycmathguy, Jun 18, 2022
    Replies:
    2
    Views:
    361
    nycmathguy
    Jun 18, 2022
  50. nycmathguy

    Find x, y, and z

    nycmathguy, Jun 18, 2022
    Replies:
    4
    Views:
    393
    nycmathguy
    Jun 18, 2022
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