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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: 8
    • Views: 1,591
    LandSurveyor01
    February 14th 2013, 03:34 AM Go to last post
  2.   Discussions  

  1. Trigonometric equation

    jacks
    equation, trigonometric
    • Replies: 2
    • Views: 172
    Sudharaka
    June 27th 2011, 12:26 AM Go to last post

  2. Finding external Circumference of 2 overlapping circles

    castle
    circles, circumference, external, finding, overlapping 1 Attachment(s)
    • Replies: 3
    • Views: 409
    castle
    June 26th 2011, 02:28 PM Go to last post

  3. Identity

    Googl
    identity
    • Replies: 5
    • Views: 199
    Googl
    June 26th 2011, 08:30 AM Go to last post

  4. Finding cos2*theta

    IBstudent
    cos2theta, finding 2 Attachment(s)
    • Replies: 7
    • Views: 411
    Prove It
    June 26th 2011, 08:03 AM Go to last post

  5. Radians into my Calculator?!?

    Astar
    calculator, radians
    • Replies: 3
    • Views: 130
    Plato
    June 24th 2011, 02:47 PM Go to last post

  6. Factor Formulae

    Googl
    factor, formulae
    • Replies: 9
    • Views: 511
    emakarov
    June 24th 2011, 07:02 AM Go to last post

  7. [SOLVED] Puttiing the cosine of a direction cosine in terms of Cartesian coordinates

    topsquark
    • Replies: 1
    • Views: 375
    topsquark
    June 22nd 2011, 12:43 PM Go to last post

  8. Unhappy Exact Value of the expression without a calculator

    LAPOSH42
    calculator, exact, expression
    • Replies: 2
    • Views: 476
    waqarhaider
    June 22nd 2011, 12:59 AM Go to last post

  9. Verifying a trig identity.

    NewMath
    identity, trig, verifying
    • Replies: 3
    • Views: 195
    mr fantastic
    June 21st 2011, 09:53 PM Go to last post

  10. virtual rotation

    lauriar
    rotation, virtual
    • Replies: 0
    • Views: 146
    lauriar
    June 21st 2011, 04:24 PM Go to last post

  11. sin(x) + cos(x)= 1/2

    neilofbodom
    1 or 2, cosx, sinx 1 Attachment(s)
    • Replies: 6
    • Views: 584
    Archie Meade
    June 21st 2011, 07:18 AM Go to last post

  12. Giving answers to the nearest degree, find in the interval 0<x<360

    neilofbodom
    0&ltx&lt360, answers, degree, giving, interval, nearest
    • Replies: 4
    • Views: 171
    neilofbodom
    June 20th 2011, 07:10 AM Go to last post

  13. Solve √3 cosxtanx+ cosx=0 , where 0≤x<2(Pi)

    UrgedTaylor
    0≤x&lt2pi, cosx0, cosxtanx, solve
    • Replies: 11
    • Views: 277
    Moo
    June 20th 2011, 12:24 AM Go to last post

  14. Prove cot(a)+cot(b)+cot(c)=cot(a).cot(b).cot(c)

    MichaelLight
    cota, cotb, cotccotacotbcotc, prove
    • Replies: 1
    • Views: 488
    FernandoRevilla
    June 18th 2011, 11:45 PM Go to last post

  15. Find cos(a-b)

    MichaelLight
    cosab
    • Replies: 4
    • Views: 254
    TKHunny
    June 18th 2011, 07:32 PM Go to last post

  16. Hyperbolics - Use Osborne's Rule to show sech^2x=1-tanh^2x

    tjnortham
    hyperbolics, osborne, rule, sech2x1tanh2x
    • Replies: 3
    • Views: 581
    Quacky
    June 18th 2011, 08:43 AM Go to last post

  17. Trigonometric Equation involving Tangent and Arctangent

    scherz0
    arctangent, equation, involving, tangent, trigonometric
    • Replies: 3
    • Views: 214
    scherz0
    June 17th 2011, 10:17 AM Go to last post

  18. Equation for Pendulum Ride

    starshine84
    equation, pendulum, ride
    • Replies: 1
    • Views: 448
    skeeter
    June 16th 2011, 04:49 PM Go to last post

  19. Circling aeroplane.

    neillikesarsenal
    aeroplane, circling
    • Replies: 2
    • Views: 200
    waqarhaider
    June 16th 2011, 10:46 AM Go to last post

  20. Height of Ferris Wheel at t=0

    starshine84
    ferris, height, wheel
    • Replies: 4
    • Views: 469
    starshine84
    June 16th 2011, 05:19 AM Go to last post

  21. [SOLVED] Why do we have the secant and cosecant functions?

    mrfour44
    • Replies: 6
    • Views: 780
    mrfour44
    June 16th 2011, 02:02 AM Go to last post

  22. Moved: intergrating cos(x/3) ?

    katiethegreat
    cosx or 3, intergrating
    •  
    •  

  23. cos(x) * cos(x)

    Consumariat
    cosx
    • Replies: 5
    • Views: 267
    Consumariat
    June 15th 2011, 06:13 AM Go to last post

  24. trigo proof 2

    hooke
    proof, trigo
    • Replies: 3
    • Views: 162
    hooke
    June 15th 2011, 05:31 AM Go to last post

  25. Trig Inverse and Differentiation

    BabyMilo
    differentiation, inverse, trig
    • Replies: 3
    • Views: 164
    Soroban
    June 15th 2011, 04:14 AM Go to last post

  26. Finding exact values

    NecroWinter
    exact, finding, values
    • Replies: 7
    • Views: 422
    skeeter
    June 14th 2011, 03:41 PM Go to last post

  27. Solving a Sinusoidal Equation for Hours of Daylight

    starshine84
    daylight, equation, hours, sinusoidal, solving
    • Replies: 1
    • Views: 904
    skeeter
    June 14th 2011, 02:58 PM Go to last post

  28. Thumbs up Two angles and the angle in between in 180 degrees; maximization

    Zellator
    180, angle, angles, degrees, maximization
    • Replies: 2
    • Views: 122
    Zellator
    June 14th 2011, 11:18 AM Go to last post

  29. Product of Tangents

    hooke
    product, tangents
    • Replies: 1
    • Views: 185
    Also sprach Zarathustra
    June 14th 2011, 09:43 AM Go to last post

  30. Thumbs up Usage of cotg; Area of polygon

    Zellator
    area, cotg, polygon, usage
    • Replies: 2
    • Views: 138
    Zellator
    June 14th 2011, 09:09 AM Go to last post

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