Facebook Page
Twitter
RSS
+ Post New Thread
Page 3 of 12 FirstFirst 12345 ... LastLast
Threads 61 to 90 of 347

Forum: Trigonometry

Trigonometric Functions, Trigonometric Identities, etc.

  1. Sticky Thread Sticky Threads

  1. Normal Thread Normal Threads

  2. [SOLVED] y=sinx in polar form

    Started by karush, March 24th, 2016 23:51
    equations, form, plots, polar, simple
    • Replies: 4
    • Views: 653
    March 25th, 2016, 18:41 Go to last post
  3. Y=x^3 in polar form

    Started by karush, March 23rd, 2016 23:58
    • Replies: 2
    • Views: 559
    March 24th, 2016, 02:29 Go to last post
  4. trig identity

    Started by paix1988, March 6th, 2016 08:49
    assistance, cos2x, identity, tanx, trig
    • Replies: 1
    • Views: 536
    March 6th, 2016, 09:20 Go to last post
  5. [SOLVED] Area and angles of iso triangle given find sides

    Started by karush, March 5th, 2016 15:31
    • Replies: 3
    • Views: 587
    March 5th, 2016, 16:22 Go to last post
  6. Right triangle

    Started by evinda, February 25th, 2016 13:12
    2 Pages
    1 2
    • Replies: 18
    • Views: 1,434
    February 25th, 2016, 18:12 Go to last post
  7. Find time

    Started by evinda, February 17th, 2016 13:29
    airplane, airport, find, position, time
    • Replies: 3
    • Views: 552
    February 17th, 2016, 16:44 Go to last post
  8. [SOLVED] Another inconvenient identity

    Started by karush, February 12th, 2016 16:33
    bad, direction, formulas, product, sum
    • Replies: 2
    • Views: 705
    February 13th, 2016, 17:04 Go to last post
  9. [SOLVED] Trig identity theory

    Started by karush, February 12th, 2016 00:08
    $p$, $q$, are$$90^o, identity, theory
    • Replies: 8
    • Views: 1,045
    February 12th, 2016, 16:24 Go to last post
  10. [SOLVED] Trigonometric sum with a product as the argument

    Started by greg1313, February 7th, 2016 01:27
    argument, product, prove, sum, trigonometric
    • Replies: 2
    • Views: 560
    February 7th, 2016, 08:15 Go to last post
  11. Solve for frequency & angle in dispersion equation

    Started by NiToNi, January 19th, 2016 10:58
    arcsin, equation, sintheta, sin[/c, solve
    • Replies: 2
    • Views: 618
    January 21st, 2016, 07:24 Go to last post
  12. Inverse trig

    Started by Guest, January 12th, 2016 03:20
    $arcsinsinfrac−3pi2$, $arcsinsinfrac−3pi2.$, $arcsinsinfrac−3pi2?$, inverse, trig
    • Replies: 1
    • Views: 422
    January 12th, 2016, 05:05 Go to last post
  13. Inverse trigonometric functions

    Started by Guest, January 10th, 2016 05:34
    $displaystyle, arccoscosfracfracpi3, functions, inverse, trigonometric
    • Replies: 4
    • Views: 516
    January 10th, 2016, 08:36 Go to last post
  14. Trig simplication

    Started by Guest, January 2nd, 2016 01:14
    arcsinsinleft11pi/5right, simplication, simplify, trig
    • Replies: 4
    • Views: 562
    January 2nd, 2016, 02:00 Go to last post
  15. Finding the measure of Triangle ABC

    Started by Mizu, July 15th, 2015 20:17
    clue, confused, continue, labeled, measure
    • Replies: 4
    • Views: 1,355
    December 13th, 2015, 04:44 Go to last post
  16. Maxima and minima of a triangle

    Started by loquetedigo, December 10th, 2015 19:20
    triangle, height, side, abc, perimeter
    • Replies: 1
    • Views: 516
    December 10th, 2015, 23:25 Go to last post
  17. rectangular to polar

    Started by karush, November 21st, 2015 04:20
    desmos, graph, plot, polar, show
    • Replies: 5
    • Views: 731
    November 21st, 2015, 22:20 Go to last post
  18. Express 3sin(3x)-4cos(3x) in the form Rcos(3x+\alpha)

    Started by ThomsonKevin, November 13th, 2015 18:07
    3sin3x-4cos3x, bit, confusing, express, form
    • Replies: 1
    • Views: 588
    November 13th, 2015, 18:26 Go to last post
  19. [SOLVED] Dc 8t14 product to sum indentity

    Started by karush, November 12th, 2015 16:59
    $fracsinleft3thetaright, $tan4pi$, expression, simplify, sum
    • Replies: 5
    • Views: 666
    November 12th, 2015, 20:06 Go to last post
  20. [SOLVED] Trig identity

    Started by karush, November 9th, 2015 18:48
    $$=fracx+y1-xy$$, $tanx+y$, formula, identity, sum
    • Replies: 2
    • Views: 575
    November 9th, 2015, 19:06 Go to last post
  21. [SOLVED] Exact value of Cos(-pi/3)

    Started by riri, November 9th, 2015 04:07
    circle, cos-pi/3, exact, exact value, inverse
    • Replies: 2
    • Views: 2,330
    November 9th, 2015, 10:10 Go to last post
  22. [SOLVED] How do we get the arccosh ?

    Started by mathmari, October 29th, 2015 16:21
    $x=arccosh, $x=arcsinh, book, frac1y$, simplify
    • Replies: 6
    • Views: 723
    October 30th, 2015, 17:18 Go to last post
  23. Trig help please!

    Started by megani, October 15th, 2015 20:44
    2 Pages
    1 2
    • Replies: 10
    • Views: 1,474
    October 18th, 2015, 20:19 Go to last post
  24. [SOLVED] Trigonometric Identities Problem

    Started by courtbits, October 8th, 2015 10:40
    cot, find, identities, pi/4, tanpi/4
    • Replies: 4
    • Views: 823
    October 12th, 2015, 20:10 Go to last post
  25. Trig Identities Problem

    Started by courtbits, October 12th, 2015 10:59
    cospi/3=, find, frac12, secpi-pi/3, trig
    • Replies: 2
    • Views: 412
    October 12th, 2015, 13:06 Go to last post
  26. Applications to Law of Sines

    Started by ramz, October 7th, 2015 04:20
    • Replies: 6
    • Views: 893
    October 8th, 2015, 00:20 Go to last post
  27. Angle between the tangents to the circle

    Started by ramz, October 7th, 2015 23:29
    • Replies: 4
    • Views: 537
    October 8th, 2015, 00:01 Go to last post
  28. Centripetal force calculation

    Started by JarrettHayama, October 5th, 2015 03:49
    centrifuge, centripetal, force, gravity, round
    • Replies: 1
    • Views: 454
    October 5th, 2015, 06:22 Go to last post
  29. [SOLVED] trig poser

    Started by oldfart, September 24th, 2015 06:45
    angle, answer, degrees, oldfart, supposedly
    • Replies: 4
    • Views: 693
    September 25th, 2015, 06:01 Go to last post
  30. Trig proof: sum of squared cosecants

    Started by greg1313, September 19th, 2015 22:35
    demoivres, identities, solve, trigonometric, unable
    • Replies: 3
    • Views: 884
    September 21st, 2015, 23:54 Go to last post
  31. [SOLVED] NEW Beginner's Trigonometry Identities Problem

    Started by courtbits, September 9th, 2015 11:37
    appreciated, find, gladly, sintheta, theta
    • Replies: 3
    • Views: 889
    September 9th, 2015, 13:30 Go to last post

Forum Information and Options

Moderators of this Forum

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 150 views
Hot thread with unread posts
More than 15 replies or 150 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Math Help Boards