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Forum: Trigonometry

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: 9
    • Views: 1,580
    bbnm
    Yesterday, 12:38 AM Go to last post
  2.   Discussions  

  1. arccos x + arccos y = ...

    darence
    arccos
    • Replies: 2
    • Views: 112
    darence
    January 30th 2013, 04:19 AM Go to last post

  2. Simple angle problem

    amiel
    angle, problem, simple
    • Replies: 3
    • Views: 94
    pspss
    January 29th 2013, 10:18 PM Go to last post

  3. Finding the trig function

    goldbug78
    finding, function, trig
    • Replies: 2
    • Views: 83
    Soroban
    January 29th 2013, 06:03 PM Go to last post

  4. quick question about reciprocal identity

    jn23
    identity, question, quick, reciprocal
    • Replies: 1
    • Views: 84
    emakarov
    January 29th 2013, 01:29 PM Go to last post

  5. Word Problem

    sakonpure6
    problem, word
    • Replies: 2
    • Views: 103
    sakonpure6
    January 28th 2013, 06:03 PM Go to last post

  6. Triangle with angle of 60 degrees

    darence
    angle, degrees, triangle
    • Replies: 3
    • Views: 132
    chiro
    January 28th 2013, 05:46 PM Go to last post

  7. Deriving Mellweid's formula

    Imonars
    deriving, formula, mellweid 9 Attachment(s)
    • Replies: 1
    • Views: 166
    ibdutt
    January 27th 2013, 10:18 PM Go to last post

  8. Bearing and Trigonometry

    mallyjnr1982
    bearing, trigonometry
    • Replies: 1
    • Views: 219
    bearjr32
    January 27th 2013, 08:27 PM Go to last post

  9. transformation of sine graph

    minicooper58
    graph, sine, transformation 1 Attachment(s)
    • Replies: 8
    • Views: 118
    minicooper58
    January 27th 2013, 01:38 PM Go to last post

  10. Finding trig functions given constraints

    vaironxxrd
    constraints, finding, functions, trig
    • Replies: 5
    • Views: 313
    chiro
    January 26th 2013, 03:21 PM Go to last post

  11. Unsure of how to solve this right triangle

    goldbug78
    solve, triangle, unsure 1 Attachment(s)
    • Replies: 6
    • Views: 135
    pspss
    January 25th 2013, 08:54 AM Go to last post

  12. Smile Circle from two points and an angle

    Encircled
    angle, circle, points, three points 1 Attachment(s)
    • Replies: 6
    • Views: 166
    Encircled
    January 25th 2013, 05:05 AM Go to last post

  13. Question with special angles and Trig Identities

    vaironxxrd
    angles, identities, question, special, trig
    • Replies: 2
    • Views: 106
    ivwiwba35
    January 24th 2013, 10:26 PM Go to last post

  14. Finding Values for Quadratic Trigonometric Equation?

    misiaizeska
    equation, finding, quadratic, trigonometric, values
    • Replies: 4
    • Views: 266
    ivwiwba35
    January 24th 2013, 10:25 PM Go to last post

  15. if tanx + tany = 25 and cotx + coty =30, what is tan(x+y)...please help with this que

    koolaid123
    cos, cotx, coty, sin, tan, tanx, tany, trig, yplease
    • Replies: 2
    • Views: 140
    ivwiwba35
    January 24th 2013, 10:17 PM Go to last post

  16. Find all x in degrees

    mikewezyk
    degrees
    • Replies: 1
    • Views: 75
    Prove It
    January 24th 2013, 05:32 PM Go to last post

  17. Plot the function Y = 20 tan (x – 20)

    bungouk
    function, plot, tan
    • Replies: 1
    • Views: 79
    chiro
    January 24th 2013, 12:50 AM Go to last post

  18. trigonometric subtraction.

    Higara
    subtraction, trigonometric
    • Replies: 2
    • Views: 52
    Higara
    January 23rd 2013, 06:44 PM Go to last post

  19. Quadrant

    Greenstxr
    quadrant, trigonometry
    • Replies: 10
    • Views: 118
    MarkFL
    January 23rd 2013, 03:11 PM Go to last post

  20. show by algebraic means the value of sin^4(15) - cos^4(15_

    koolaid123
    algebraic, cos, cos415, means, sin, sin415, trig, trigonometry
    • Replies: 2
    • Views: 83
    MarkFL
    January 23rd 2013, 01:06 PM Go to last post

  21. Trig tent question

    goldbug78
    question, tent, trig 1 Attachment(s)
    • Replies: 1
    • Views: 111
    Soroban
    January 22nd 2013, 04:41 PM Go to last post

  22. value of x when pi/2 < x < pi

    rcs
    <, pi or 2
    • Replies: 6
    • Views: 134
    kinhew93
    January 22nd 2013, 06:11 AM Go to last post

  23. HI ALL*** got 3 calculations which im finding impossible

    gary147
    calculations, finding, impossible 1 Attachment(s)
    • Replies: 4
    • Views: 69
    gary147
    January 22nd 2013, 05:42 AM Go to last post

  24. Find the functions and their domains.

    Oldspice1212
    domains, functions
    • Replies: 6
    • Views: 118
    Oldspice1212
    January 21st 2013, 09:24 PM Go to last post

  25. Finding the Exact Value of an Inverse Trigonometry Function

    ianm
    exact, finding, function, inverse, trigonometry
    • Replies: 1
    • Views: 78
    Prove It
    January 21st 2013, 09:08 PM Go to last post

  26. Trigonometric equation

    kinhew93
    equation, trigonometric
    • Replies: 1
    • Views: 97
    chiro
    January 21st 2013, 06:34 PM Go to last post

  27. ***************can someone help me work this out please *****************

    gary147
    2 Pages •
    1 2
    work 1 Attachment(s)
    • Replies: 21
    • Views: 244
    janhui
    January 21st 2013, 06:41 AM Go to last post

  28. Triangle-help please

    gary147
    trianglehelp
    • Replies: 0
    • Views: 71
    gary147
    January 21st 2013, 05:04 AM Go to last post

  29. exponent in trig functions

    infraRed
    exponent, functions, trig
    • Replies: 1
    • Views: 58
    Prove It
    January 20th 2013, 07:28 PM Go to last post

  30. Using Trigonometric Identities

    vaironxxrd
    identities, trigonometric
    • Replies: 4
    • Views: 114
    vaironxxrd
    January 20th 2013, 04:36 PM Go to last post
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