Trigonometry Forum

Trigonometry Help Forum: Graphing trig expressions, identities, angles, applied questions

  1. Sticky Thread   Trigonometry to Memorize, and Trigonometry to Derive

    Ackbeet
    derive, memorize, trigonometry 1 Attachment(s)
    • Replies: 12
    • Views: 6,748
    jpompey
    Feb 23rd 2017, 09:35 AM Go to last post

  1. Determining a sinusoidal function from its graph, can amplitude be negative?

    Awesome31312
    • Replies: 5
    • Views: 751
    Awesome31312
    May 24th 2017, 09:14 AM Go to last post

  2. Moved: solve

    s22345
    •  
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  3. Linear, and angular velocity

    grant0500
    • Replies: 2
    • Views: 563
    ChipB
    May 19th 2017, 07:50 AM Go to last post

  4. Solving For 'X' Using Trigonometry

    EbonyJade
    • Replies: 6
    • Views: 528
    Plato
    May 6th 2017, 08:02 PM Go to last post

  5. Bearings Problem Using the Sine Rule

    JadeKiara
    bearings, problem, rule, sine 1 Attachment(s)
    • Replies: 8
    • Views: 3,018
    skyeseaweed100
    May 4th 2017, 06:32 PM Go to last post

  6. Talking Challenging Trigometry Question

    mathstudent111
    1 Attachment(s)
    • Replies: 2
    • Views: 566
    skeeter
    Apr 23rd 2017, 06:06 PM Go to last post

  7. Can you help me find some angles and distances in a rectangle *pic inside*

    Petricor
    • Replies: 2
    • Views: 609
    Petricor
    Apr 17th 2017, 06:18 PM Go to last post

  8. Puzzling Inverse Trig Function question #2

    blakesgrave
    2 Attachment(s)
    • Replies: 2
    • Views: 554
    Plato
    Apr 6th 2017, 04:51 PM Go to last post

  9. Puzzling Inverse Trig Function solution

    blakesgrave
    1 Attachment(s)
    • Replies: 4
    • Views: 488
    Plato
    Apr 6th 2017, 04:32 PM Go to last post

  10. find lengths of triangle's 2 sides

    AbYz
    • Replies: 4
    • Views: 789
    AbYz
    Apr 2nd 2017, 04:21 AM Go to last post

  11. Trapezoid within a Circle Area Question

    Roundabout
    3 Attachment(s)
    • Replies: 8
    • Views: 882
    Roundabout
    Mar 31st 2017, 02:39 PM Go to last post

  12. Why not use alpha plus beta?

    abhistud
    trigo 1 Attachment(s)
    • Replies: 3
    • Views: 612
    chiro
    Mar 28th 2017, 10:47 PM Go to last post

  13. Trigonometric Ratios (Find all unknown sides and angles)

    Freddie1
    2 Attachment(s)
    • Replies: 2
    • Views: 550
    Plato
    Mar 27th 2017, 07:23 PM Go to last post

  14. bearing object

    AbYz
    2 Attachment(s)
    • Replies: 1
    • Views: 878
    skeeter
    Mar 24th 2017, 11:51 AM Go to last post

  15. Soling cos equation

    markosheehan
    • Replies: 1
    • Views: 558
    romsek
    Mar 23rd 2017, 01:36 PM Go to last post

  16. Solving trig equation for its input

    jacob22
    • Replies: 2
    • Views: 550
    jacob22
    Mar 22nd 2017, 11:15 PM Go to last post

  17. Exclamation Half Angle Fromula

    KiaraG16
    • Replies: 3
    • Views: 448
    chiro
    Mar 20th 2017, 09:21 PM Go to last post

  18. Red face Cosines of multiples of x

    KiaraG16
    • Replies: 1
    • Views: 624
    ChipB
    Mar 20th 2017, 10:22 AM Go to last post

  19. Can anyone help me with the following?

    pererashenaya7
    1 Attachment(s)
    • Replies: 5
    • Views: 569
    ChipB
    Mar 13th 2017, 04:56 AM Go to last post

  20. 2 sin(x/2) cos(x/2) = sin(x)?

    B9766
    • Replies: 2
    • Views: 464
    B9766
    Mar 11th 2017, 01:38 PM Go to last post

  21. Range of a specific value in quadratic equation to have 3 real roots

    pererashenaya7
    1 Attachment(s)
    • Replies: 7
    • Views: 745
    skeeter
    Mar 11th 2017, 08:00 AM Go to last post

  22. Identity transformation problem

    mathguy5000
    trig identities 1 Attachment(s)
    • Replies: 1
    • Views: 432
    romsek
    Mar 7th 2017, 10:44 PM Go to last post

  23. Find solutions for SIN(x)=-a, where a=SIN(α) for 0<α<pi/2

    Smeato
    circular functions, sin, trigonometry, unit circle
    • Replies: 3
    • Views: 488
    skeeter
    Mar 6th 2017, 07:58 AM Go to last post

  24. Unhappy Problems in three dimensions

    wxr
    trigonometric 1 Attachment(s)
    • Replies: 7
    • Views: 770
    wxr
    Mar 4th 2017, 02:30 PM Go to last post

  25. Seeking advice on how to convert from Polar to Cartesian with angle offsets.

    Martinukai
    1 Attachment(s)
    • Replies: 3
    • Views: 521
    skeeter
    Feb 27th 2017, 04:19 AM Go to last post

  26. Please Help - Rugby Goal Kicking Problem

    daewoo_lowrider
    goal, kicking, problem, rugby 1 Attachment(s)
    • Replies: 8
    • Views: 3,754
    nurininsyirah97
    Feb 26th 2017, 09:08 PM Go to last post

  27. Divide a circle into 400 parts and call these measurements "Gradians"

    nsganon101
    • Replies: 6
    • Views: 641
    skeeter
    Feb 24th 2017, 09:51 AM Go to last post

  28. Having trouble with proving a trig identity

    jpompey
    trig
    • Replies: 2
    • Views: 889
    jpompey
    Feb 23rd 2017, 01:46 PM Go to last post

  29. clock

    markosheehan
    • Replies: 3
    • Views: 1,133
    DenisB
    Feb 13th 2017, 04:36 PM Go to last post

  30. expression

    markosheehan
    • Replies: 5
    • Views: 574
    topsquark
    Feb 5th 2017, 11:24 AM Go to last post

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