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: 8,712
    jpompey
    Feb 23rd 2017, 09:35 AM Go to last post

  1. Need help with Hours of Daylight

    Erika5
    1 Attachment(s)
    • Replies: 4
    • Views: 688
    skeeter
    Nov 22nd 2017, 07:34 AM Go to last post

  2. Trig problem

    EngineeringGuy
    identities trig, trigonometric equation
    • Replies: 10
    • Views: 654
    EngineeringGuy
    Nov 19th 2017, 06:24 PM Go to last post

  3. Need help with Ferris Wheel exercise

    Erika5
    • Replies: 1
    • Views: 478
    HallsofIvy
    Nov 17th 2017, 04:08 AM Go to last post

  4. Help with two trigonometry questions. (Sinusoidal)

    Tyler010
    1 Attachment(s)
    • Replies: 6
    • Views: 657
    Tyler010
    Nov 11th 2017, 05:06 PM Go to last post

  5. Moved: Mechanical Jack

    jdavies535
    •  
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  6. Vibration help

    jdavies535
    • Replies: 3
    • Views: 520
    topsquark
    Nov 3rd 2017, 05:59 AM Go to last post

  7. How to work out the angle using 2 forces

    davefrick1
    • Replies: 2
    • Views: 396
    davefrick1
    Oct 30th 2017, 09:39 AM Go to last post

  8. Rewrite csc(θ-45°) an equivalent value using its cofunction.

    Sallation3
    • Replies: 1
    • Views: 417
    romsek
    Oct 27th 2017, 06:22 PM Go to last post

  9. Circular function value

    dustileigh
    1 Attachment(s)
    • Replies: 4
    • Views: 541
    HallsofIvy
    Oct 15th 2017, 10:13 AM Go to last post

  10. Exact value of s in a given interval

    dustileigh
    • Replies: 5
    • Views: 1,561
    skeeter
    Oct 15th 2017, 08:58 AM Go to last post

  11. Post Using Congruent Triangles (Two-Column Proof)

    candaceformosa
    congruent, proof, triangle, two-column proof 1 Attachment(s)
    • Replies: 2
    • Views: 1,242
    greg1313
    Oct 10th 2017, 01:24 PM Go to last post

  12. Inverse Trigonometric Fnnction and when they cancel what their inverse does

    IloveIl
    • Replies: 4
    • Views: 631
    HallsofIvy
    Oct 2nd 2017, 04:51 AM Go to last post

  13. Finding solutions of an equation

    artl485
    soloutions, trig, trigonometry 1 Attachment(s)
    • Replies: 5
    • Views: 611
    skeeter
    Sep 20th 2017, 05:46 AM Go to last post

  14. Question Equating trig identities

    otownsend
    identities, trigonometry
    • Replies: 3
    • Views: 699
    skeeter
    Sep 13th 2017, 03:56 PM Go to last post

  15. it should be easy by now

    s_ingram
    • Replies: 5
    • Views: 812
    s_ingram
    Sep 5th 2017, 11:25 PM Go to last post

  16. Trigonometry answers to minor questions

    Melbournemanc
    • Replies: 1
    • Views: 498
    abender
    Sep 5th 2017, 03:01 PM Go to last post

  17. doing things in the right order

    s_ingram
    • Replies: 3
    • Views: 753
    s_ingram
    Sep 5th 2017, 04:50 AM Go to last post

  18. spot the illegal operation?

    s_ingram
    • Replies: 4
    • Views: 575
    s_ingram
    Sep 3rd 2017, 04:53 AM Go to last post

  19. Finding the two possible values of an angle

    jpompey
    2 Attachment(s)
    • Replies: 4
    • Views: 1,770
    MitchellRandle
    Sep 2nd 2017, 01:15 PM Go to last post

  20. ball height

    edwardkiely
    • Replies: 2
    • Views: 760
    edwardkiely
    Aug 29th 2017, 08:16 AM Go to last post

  21. graph transformation

    AbYz
    1 Attachment(s)
    • Replies: 2
    • Views: 504
    SlipEternal
    Aug 28th 2017, 08:18 AM Go to last post

  22. finding all the solutions in trig equations

    s_ingram
    • Replies: 7
    • Views: 576
    s_ingram
    Aug 18th 2017, 01:01 AM Go to last post

  23. trigonometry proof

    edwardkiely
    • Replies: 2
    • Views: 551
    edwardkiely
    Aug 10th 2017, 12:56 AM Go to last post

  24. further issue with the t substitution

    s_ingram
    • Replies: 2
    • Views: 483
    s_ingram
    Aug 9th 2017, 10:14 AM Go to last post

  25. sine rule

    AbYz
    • Replies: 2
    • Views: 690
    HallsofIvy
    Aug 7th 2017, 11:47 AM Go to last post

  26. Circle sector

    AbYz
    2 Attachment(s)
    • Replies: 1
    • Views: 661
    zemozamster
    Aug 7th 2017, 04:06 AM Go to last post

  27. Solving Trig equations using the "t" substitution

    s_ingram
    • Replies: 2
    • Views: 486
    s_ingram
    Aug 7th 2017, 02:17 AM Go to last post

  28. [TEX]f(t) = \sin(\omega_1 t)+\sin(\omega_2 t)[/TEX]

    userna
    • Replies: 2
    • Views: 647
    userna
    Aug 6th 2017, 02:28 AM Go to last post

  29. 12cos(ot) + 5sin(ot) + 3cos(ot − pi/3) in the form Acos(ot + phi)

    bumbum
    • Replies: 3
    • Views: 517
    skeeter
    Aug 5th 2017, 02:10 PM Go to last post

  30. Find the value

    Dilan
    • Replies: 4
    • Views: 571
    skeeter
    Aug 4th 2017, 06:06 AM Go to last post

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