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Forum: Pre-Calculus

Simple Limits, Functions, Trigonometric Forms For Complex Numbers (Argand Diagrams/Euler's Formula/De Moivre's Theorem)

  1. Normal Thread Normal Threads

  2. Unit Circle Problems

    Started by Naidely, October 12th, 2018 00:38
    0.5, providing, sinw, sinw=cos-10, unit
    • Replies: 3
    • Views: 156
    October 19th, 2018, 09:57 Go to last post
    • Replies: 1
    • Views: 92
    October 16th, 2018, 22:43 Go to last post
  3. quadratic functions

    Started by MattG03, October 16th, 2018 20:15
    • Replies: 1
    • Views: 79
    October 16th, 2018, 22:20 Go to last post
  4. convert another equation to polar form

    Started by Elissa89, October 15th, 2018 14:37
    convert, form, idk, supposed, x^2+y^2=4
    • Replies: 3
    • Views: 110
    October 15th, 2018, 15:31 Go to last post
  5. convert equation to polar form

    Started by Elissa89, October 14th, 2018 17:35
    2 Pages
    1 2
    convert, equation, form, incorrect, thought
    • Replies: 10
    • Views: 210
    October 15th, 2018, 15:20 Go to last post
  6. My professor never even covered this problem

    Started by Elissa89, October 12th, 2018 13:18
    2 Pages
    1 2
    math, professor, question, sec, time
    • Replies: 15
    • Views: 352
    October 15th, 2018, 07:56 Go to last post
  7. Use double or half angle formulas

    Started by Elissa89, October 14th, 2018 17:12
    angle, double, formula, formulas, problem
    • Replies: 1
    • Views: 111
    October 14th, 2018, 18:01 Go to last post
  8. Don't know where to start with this one

    Started by Elissa89, October 12th, 2018 13:11
    problem, sinx-1=cosx, start
    • Replies: 6
    • Views: 174
    October 14th, 2018, 16:47 Go to last post
  9. Evaluating cos((1/2)arccos(x))

    Started by Elissa89, October 8th, 2018 17:45
    class, cover, degrees/1+cos4, problems, sin4
    • Replies: 1
    • Views: 172
    October 8th, 2018, 19:29 Go to last post
  10. Prove by Induction

    Started by simcan18, October 5th, 2018 09:10
    greater, induction, numbers, prove, raised
    • Replies: 2
    • Views: 211
    October 5th, 2018, 15:53 Go to last post
  11. Prove by mathematical induction

    Started by simcan18, October 5th, 2018 09:15
    • Replies: 5
    • Views: 221
    October 5th, 2018, 13:22 Go to last post
    • Replies: 2
    • Views: 241
    October 4th, 2018, 13:45 Go to last post
  12. Plot of x^(1/3)

    Started by Yankel, October 1st, 2018 04:59
    • Replies: 2
    • Views: 201
    October 1st, 2018, 12:18 Go to last post
  13. Finding Domain for Natural Log with Exponent

    Started by RidiculousName, September 25th, 2018 20:36
    domain, find, finding, question, stumped
    • Replies: 6
    • Views: 255
    September 26th, 2018, 16:47 Go to last post
  14. Law of Cosines

    Started by Elissa89, September 24th, 2018 12:31
    2 Pages
    1 2
    • Replies: 10
    • Views: 427
    September 24th, 2018, 14:52 Go to last post
  15. Finding the Domain of a Logarithmic Function

    Started by RidiculousName, September 23rd, 2018 14:04
    • Replies: 7
    • Views: 268
    September 23rd, 2018, 19:35 Go to last post
  16. Domain...2

    Started by RTCNTC, March 20th, 2018 01:50
    • Replies: 2
    • Views: 535
    September 19th, 2018, 13:27 Go to last post
    • Replies: 1
    • Views: 254
    September 17th, 2018, 22:38 Go to last post
  17. Show And Prove

    Started by bwpbruce, September 6th, 2018 22:44
    learning, problems, prove, show, true
    • Replies: 4
    • Views: 397
    September 9th, 2018, 10:17 Go to last post
  18. Domain and Range

    Started by teejay, August 25th, 2018 00:05
    domain, find, graph, range
    • Replies: 1
    • Views: 279
    August 25th, 2018, 10:10 Go to last post
  19. solve for principal values in degree

    Started by blake, April 3rd, 2018 15:40
    cos, degree, principal, solve, values
    • Replies: 2
    • Views: 604
    August 9th, 2018, 12:13 Go to last post
  20. The cofactors of elements for every determinant

    Started by Tonia, July 31st, 2018 16:13
    bar, cofactors, determinant, elements, rowhorizontal
    • Replies: 6
    • Views: 377
    July 31st, 2018, 19:06 Go to last post
  21. Riemanns Sum Problem

    Started by MathsKid007, July 9th, 2018 01:37
    • Replies: 1
    • Views: 375
    July 9th, 2018, 03:31 Go to last post
  22. Trig Graphing Questions

    Started by captainnumber36, June 24th, 2018 10:39
    graphing, questions, solve, trig
    • Replies: 5
    • Views: 499
    June 24th, 2018, 19:40 Go to last post
  23. Complex polynomial zeros

    Started by TheFallen018, June 2nd, 2018 09:07
    • Replies: 3
    • Views: 496
    June 3rd, 2018, 23:38 Go to last post
  24. Function -> Implicit function

    Started by roni, May 26th, 2018 05:32
    answer, change, class, function, ways
    • Replies: 1
    • Views: 425
    May 26th, 2018, 21:35 Go to last post
  25. how to solve sqrt(x + 15) + sqrt(x) = 15 ?

    Started by richp123, June 27th, 2017 18:51
    approach, equation, solution, solve, sqrtx
    • Replies: 8
    • Views: 9,102
    May 22nd, 2018, 20:32 Go to last post
  26. write an answer in terms of Pi

    Started by yeny, May 2nd, 2018 22:31
    2.158, advance, answer, terms, write
    • Replies: 2
    • Views: 445
    May 2nd, 2018, 22:44 Go to last post
  27. Geometric Sequence

    Started by RTCNTC, March 18th, 2018 13:32
    23rd, common, function, ratio, sequence
    • Replies: 3
    • Views: 422
    May 2nd, 2018, 07:39 Go to last post
  28. Precalculus help --> cos2x=3/5 and 90<x<180

    Started by yeny, April 26th, 2018 00:52
    cos2x=3/5, precalculus
    • Replies: 1
    • Views: 375
    April 26th, 2018, 08:42 Go to last post

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