Geometry and Trigonometry

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

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  1. Vast3

    A Formula For Prime Pythagoreans

    Vast3, Dec 7, 2023
    Replies:
    1
    Views:
    340
    mathtotal
    Dec 9, 2023
  2. qfxz

    A question about spherical geometry

    qfxz, Jul 24, 2022
    Replies:
    10
    Views:
    326
    nycmathguy
    Jul 26, 2022
  3. Xarzu

    A Simple Trigonometry question about Cosines

    Xarzu, Sep 26, 2017
    Replies:
    0
    Views:
    991
    Xarzu
    Sep 26, 2017
  4. nycmathguy

    Absolute Value of Complex Number

    nycmathguy, Feb 13, 2022
    Replies:
    2
    Views:
    171
    nycmathguy
    Feb 14, 2022
  5. nycmathguy

    Adding and Subtracting Trigonometric Expressions...1

    nycmathguy, Dec 10, 2021
    Replies:
    2
    Views:
    237
    nycmathguy
    Dec 11, 2021
  6. nycmathguy

    Adding and Subtracting Trigonometric Expressions...2

    nycmathguy, Dec 10, 2021
    Replies:
    2
    Views:
    416
    nycmathguy
    Dec 11, 2021
  7. nycmathguy

    Adding and Subtracting Trigonometric Expressions...3

    nycmathguy, Dec 10, 2021
    Replies:
    4
    Views:
    450
    nycmathguy
    Dec 11, 2021
  8. nycmathguy

    Adding in the Complex Plane...1

    nycmathguy, Feb 13, 2022
    Replies:
    2
    Views:
    194
    nycmathguy
    Feb 14, 2022
  9. nycmathguy

    Adding in the Complex Plane...2

    nycmathguy, Feb 13, 2022
    Replies:
    2
    Views:
    254
    nycmathguy
    Feb 14, 2022
  10. nycmathguy

    Advanced Geometry Course

    nycmathguy, Oct 29, 2021
    Replies:
    0
    Views:
    164
    nycmathguy
    Oct 29, 2021
  11. nycmathguy

    Air & Sea Navigation

    nycmathguy, Dec 5, 2021
    Replies:
    2
    Views:
    154
    nycmathguy
    Dec 5, 2021
  12. nycmathguy

    Air Navigation

    nycmathguy, Dec 4, 2021
    Replies:
    2
    Views:
    242
    nycmathguy
    Dec 4, 2021
  13. nycmathguy

    Air Navigation

    nycmathguy, Jan 30, 2022
    Replies:
    4
    Views:
    170
    nycmathguy
    Feb 1, 2022
  14. nycmathguy

    Air Navigation...2

    nycmathguy, Jan 21, 2022
    Replies:
    2
    Views:
    212
    nycmathguy
    Jan 22, 2022
  15. nycmathguy

    Airplane

    nycmathguy, Jan 8, 2022
    Replies:
    7
    Views:
    251
    nycmathguy
    Jan 10, 2022
  16. nycmathguy

    Airplane Ascent

    nycmathguy, Nov 28, 2021
    Replies:
    4
    Views:
    191
    nycmathguy
    Dec 4, 2021
  17. nycmathguy

    All Students Take Calculus

    nycmathguy, Dec 10, 2021
    Replies:
    0
    Views:
    237
    nycmathguy
    Dec 10, 2021
  18. nycmathguy

    Altitude of Plane

    nycmathguy, Nov 29, 2021
    Replies:
    8
    Views:
    273
    nycmathguy
    Dec 5, 2021
  19. nycmathguy

    Amplitude, Period & Phase Shift of Trigonometric Equations

    nycmathguy, Jun 12, 2022
    Replies:
    2
    Views:
    545
    nycmathguy
    Jun 14, 2022
  20. nycmathguy

    Amplitude, Period and Frequency of the Motion

    nycmathguy, Mar 4, 2022
    Replies:
    2
    Views:
    259
    nycmathguy
    Mar 4, 2022
  21. nycmathguy

    Amplitude, Period and Frequency of the Motion

    nycmathguy, Mar 6, 2022
    Replies:
    2
    Views:
    200
    nycmathguy
    Mar 6, 2022
  22. nycmathguy

    Amplitude, Phase Shift & Period...1

    nycmathguy, Jul 17, 2022
    Replies:
    2
    Views:
    237
    nycmathguy
    Jul 26, 2022
  23. nycmathguy

    Amplitude, Phase Shift and Period...2

    nycmathguy, Jul 17, 2022
    Replies:
    0
    Views:
    255
    nycmathguy
    Jul 17, 2022
  24. nycmathguy

    Analyzing a Damped Trigonometric Graph

    nycmathguy, Nov 17, 2021
    Replies:
    13
    Views:
    246
    nycmathguy
    Nov 20, 2021
  25. nycmathguy

    Angle Between Two Lines

    nycmathguy, Dec 29, 2021
    Replies:
    8
    Views:
    220
    nycmathguy
    Dec 29, 2021
  26. nycmathguy

    Angle of Depression

    nycmathguy, Nov 29, 2021
    Replies:
    4
    Views:
    344
    nycmathguy
    Dec 4, 2021
  27. nycmathguy

    Angle of Elevation

    nycmathguy, Nov 29, 2021
    Replies:
    4
    Views:
    311
    nycmathguy
    Dec 4, 2021
  28. nycmathguy

    Angle of Elevation

    nycmathguy, Oct 31, 2021
    Replies:
    2
    Views:
    267
    nycmathguy
    Oct 31, 2021
  29. nycmathguy

    Angle of Elevation of the Ground

    nycmathguy, Jan 10, 2022
    Replies:
    2
    Views:
    208
    nycmathguy
    Jan 11, 2022
  30. nycmathguy

    Angle of Elevation: Airplane Problem

    nycmathguy, Nov 24, 2021
    Replies:
    2
    Views:
    180
    nycmathguy
    Nov 24, 2021
  31. nycmathguy

    Angular & Linear Speed

    nycmathguy, Oct 27, 2021
    Replies:
    5
    Views:
    398
    MathLover1
    Oct 28, 2021
  32. nycmathguy

    Another Name for Angle x

    nycmathguy, Oct 23, 2021
    Replies:
    2
    Views:
    204
    nycmathguy
    Oct 23, 2021
  33. nycmathguy

    Another Name for Angle x

    nycmathguy, Apr 2, 2022
    Replies:
    2
    Views:
    320
    nycmathguy
    Apr 2, 2022
  34. NoviceBM

    Applying Pythagoras backwards (with minimal information)

    NoviceBM, May 31, 2022
    Replies:
    5
    Views:
    284
    nycmathguy
    Jun 1, 2022
  35. nycmathguy

    Applying Trigonometric Identities...1

    nycmathguy, Oct 31, 2021
    Replies:
    2
    Views:
    230
    nycmathguy
    Oct 31, 2021
  36. nycmathguy

    Applying Trigonometric Identities...2

    nycmathguy, Oct 31, 2021
    Replies:
    2
    Views:
    387
    nycmathguy
    Oct 31, 2021
  37. nycmathguy

    Applying Trigonometric Identities...3

    nycmathguy, Oct 31, 2021
    Replies:
    2
    Views:
    231
    nycmathguy
    Oct 31, 2021
  38. nycmathguy

    Approximate Length of Marsh

    nycmathguy, Jan 17, 2022
    Replies:
    2
    Views:
    281
    nycmathguy
    Jan 17, 2022
  39. nycmathguy

    Approximate the Current I (in Amperes)

    nycmathguy, Nov 7, 2021
    Replies:
    2
    Views:
    167
    nycmathguy
    Nov 7, 2021
  40. Doctor T

    Are the 2 Images Compatible?

    Doctor T, Sep 12, 2021
    Replies:
    0
    Views:
    180
    Doctor T
    Sep 12, 2021
  41. nycmathguy

    Area & Perimeter of Sector

    nycmathguy, Oct 27, 2021
    Replies:
    2
    Views:
    299
    nycmathguy
    Oct 28, 2021
  42. nycmathguy

    Area of Rectangle As Function of x

    nycmathguy, Sep 30, 2021
    Replies:
    2
    Views:
    304
    nycmathguy
    Oct 1, 2021
  43. nycmathguy

    Area of Rectangle Inscribed in Arc

    nycmathguy, Dec 19, 2021
    Replies:
    8
    Views:
    353
    nycmathguy
    Dec 20, 2021
  44. nycmathguy

    Area of the Sector

    nycmathguy, Oct 27, 2021
    Replies:
    4
    Views:
    265
    nycmathguy
    Oct 28, 2021
  45. nycmathguy

    Area of Triangle

    nycmathguy, Jan 8, 2022
    Replies:
    4
    Views:
    204
    nycmathguy
    Jan 9, 2022
  46. nycmathguy

    Bearing...1

    nycmathguy, Dec 3, 2021
    Replies:
    4
    Views:
    155
    nycmathguy
    Dec 5, 2021
  47. nycmathguy

    Bearing...10

    nycmathguy, Feb 6, 2022
    Replies:
    2
    Views:
    207
    nycmathguy
    Feb 7, 2022
  48. nycmathguy

    Bearing...2

    nycmathguy, Dec 3, 2021
    Replies:
    8
    Views:
    213
    nycmathguy
    Dec 5, 2021
  49. nycmathguy

    Bearing...6

    nycmathguy, Feb 6, 2022
    Replies:
    2
    Views:
    169
    nycmathguy
    Feb 7, 2022
  50. nycmathguy

    Bearing...7

    nycmathguy, Feb 6, 2022
    Replies:
    2
    Views:
    168
    nycmathguy
    Feb 7, 2022
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