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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. Help to isolate θ

    xbethx
    θ, isolate
    • Replies: 1
    • Views: 131
    pickslides
    March 30th 2011, 08:30 PM Go to last post

  2. Problem with an Obtuse Triangle

    ruinox
    obtuse, problem, triangle 1 Attachment(s)
    • Replies: 2
    • Views: 138
    ruinox
    March 30th 2011, 04:19 PM Go to last post

  3. Trig help?

    dondonlouie
    trig
    • Replies: 4
    • Views: 166
    dondonlouie
    March 30th 2011, 03:05 AM Go to last post

  4. Trig Simplification 2

    rtblue
    simplification, trig
    • Replies: 2
    • Views: 154
    Soroban
    March 29th 2011, 07:35 PM Go to last post

  5. Trig word problem - angle of depression.

    raymac62
    angle, depression, problem, trig, word 1 Attachment(s)
    • Replies: 6
    • Views: 1,058
    raymac62
    March 29th 2011, 05:41 PM Go to last post

  6. Angle of intersection of the line and the plane

    Barthayn
    angle, intersection, line, plane
    • Replies: 5
    • Views: 1,355
    Soroban
    March 29th 2011, 10:58 AM Go to last post

  7. Graphing a COmplete Nautilus to scale

    wolfgangflammulinavelutip
    complete, graphing, nautilus, scale
    • Replies: 0
    • Views: 154
    wolfgangflammulinavelutip
    March 29th 2011, 09:46 AM Go to last post

  8. Trig Simplification

    rtblue
    simplification, trig
    • Replies: 1
    • Views: 163
    TKHunny
    March 28th 2011, 08:20 PM Go to last post

  9. Solving Trig functions?

    dondonlouie
    functions, solving, trig
    • Replies: 8
    • Views: 192
    topsquark
    March 28th 2011, 01:07 PM Go to last post

  10. Trig Function Transformation

    INEEDHELLP
    function, transformation, trig
    • Replies: 1
    • Views: 207
    Amer
    March 28th 2011, 08:38 AM Go to last post

  11. trigo inverse

    prasum
    inverse, trigo
    • Replies: 3
    • Views: 143
    prasum
    March 28th 2011, 07:03 AM Go to last post

  12. [SOLVED] Proving Trig identities help!

    webb84
    • Replies: 2
    • Views: 307
    webb84
    March 28th 2011, 04:33 AM Go to last post

  13. Unhappy why i=e^î*(pi/2) ?

    problady
    ieîpi or 2
    • Replies: 6
    • Views: 425
    HallsofIvy
    March 27th 2011, 05:58 AM Go to last post

  14. how come we know that i is 90 degrees or ~1.57 rad?

    problady
    157, degrees, rad
    • Replies: 3
    • Views: 348
    mr fantastic
    March 26th 2011, 03:17 PM Go to last post

  15. Simplify trig expression

    masters
    expression, simplify, trig
    • Replies: 2
    • Views: 174
    masters
    March 25th 2011, 09:31 AM Go to last post

  16. Subtracting Vectors - Limited Information

    bdika
    information, limited, subtracting, vectors 2 Attachment(s)
    • Replies: 8
    • Views: 262
    bdika
    March 25th 2011, 06:33 AM Go to last post

  17. Need help verifying

    JazKW347
    verifying
    • Replies: 2
    • Views: 158
    harish21
    March 25th 2011, 05:08 AM Go to last post

  18. Trig equations help

    dominic
    equations, trig, trigonemetric equation, trigonometry
    • Replies: 2
    • Views: 167
    dominic
    March 25th 2011, 03:02 AM Go to last post

  19. pi/12

    JazKW347
    pi or 12
    • Replies: 3
    • Views: 170
    Prove It
    March 25th 2011, 01:44 AM Go to last post

  20. SinX TanX how can i combine these to get a form of (SinX)^2

    JazKW347
    combine, form, sinx, sinx2, tanx
    • Replies: 1
    • Views: 318
    Prove It
    March 25th 2011, 12:27 AM Go to last post

  21. lengths of sides in a right angled triangle

    [nuthing]
    angled, lengths, sides, triangle
    • Replies: 2
    • Views: 299
    Zap
    March 24th 2011, 01:40 PM Go to last post

  22. Need help on using trig functions to verify identities

    MajorJohnson
    functions, identities, trig, verify
    • Replies: 8
    • Views: 196
    skeeter
    March 24th 2011, 12:50 PM Go to last post

  23. trig identity equation

    [nuthing]
    equation, identity, trig
    • Replies: 1
    • Views: 186
    e^(i*pi)
    March 24th 2011, 06:44 AM Go to last post

  24. angle in => 3 dimensions must lie between 0 and pi radians?

    problady
    >, angle, dimensions, lie, radians
    • Replies: 3
    • Views: 213
    Ackbeet
    March 24th 2011, 06:28 AM Go to last post

  25. Proving equation for angle in a triangle

    soukaein
    angle, equation, proving, ratio, triangle, trigonmetry
    • Replies: 2
    • Views: 177
    soukaein
    March 24th 2011, 05:08 AM Go to last post

  26. could you explain this formula please...

    problady
    explain, formula 1 Attachment(s)
    • Replies: 0
    • Views: 117
    problady
    March 24th 2011, 12:21 AM Go to last post

  27. Can Someone Explain This Answer? Find an angle given other angles

    fcabanski
    angle, angles, answer, explain 2 Attachment(s)
    • Replies: 2
    • Views: 160
    fcabanski
    March 23rd 2011, 03:42 PM Go to last post

  28. Question Deriving an equation using Trig formulas

    AliceFisher
    deriving, equation, formulas, trig
    • Replies: 1
    • Views: 141
    Quacky
    March 23rd 2011, 03:39 PM Go to last post

  29. Various Trig problems involving trigonometric identities

    zll
    identities, involving, problems, trig, trigonometric
    • Replies: 3
    • Views: 189
    zll
    March 23rd 2011, 01:21 PM Go to last post

  30. Tan equivalence

    AlyoshaKaz
    equivalence, tan
    • Replies: 2
    • Views: 133
    Quacky
    March 23rd 2011, 12:20 PM Go to last post

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