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Tag: prove

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  1. Tanh Integral

    Started by Tony, April 24th, 2018 11:32
    dt=colorblue2ln, integral, prove, tanh, t^2mathrm
    • Replies: 1
    • Views: 44
    Last Post: April 24th, 2018 13:16
    by greg1313  Go to last post
  2. Unsolved Challenge
    An interesting Integral

    Started by Tony, April 24th, 2018 02:05
    $$int_0^pi/2ln^2leftln^2, integral, interesting, prove, sin
    • Replies: 0
    • Views: 45
    Last Post: April 24th, 2018 02:05
    by Tony  Go to last post
  3. Unsolved Challenge
    Integral of sine

    Started by Tony, April 22nd, 2018 18:31
    $$int_0^2pisinleftxover, 4rightsinleftxover, integral, prove, sine
    • Replies: 3
    • Views: 70
    Last Post: April 23rd, 2018 00:54
    by Tony  Go to last post
  4. Unsolved Challenge
    imaginary integral

    Started by Tony, April 22nd, 2018 02:39
    $$int_0^2pimathrm, dtsin, imaginary, integral, prove
    • Replies: 1
    • Views: 58
    Last Post: April 22nd, 2018 04:19
    by Opalg  Go to last post
  5. Trigonometric product challenge

    Started by lfdahl, March 29th, 2018 14:54
    $$prod_j, challenge, product, prove, trigonometric
    • Replies: 2
    • Views: 106
    Last Post: April 5th, 2018 17:45
    by topsquark  Go to last post
  6. Prove Trigonometric Identity

    Started by jevanuD, March 30th, 2018 15:01
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 298
    Last Post: March 31st, 2018 12:16
    by MarkFL  Go to last post

    Forum:
    Trigonometry

  7. How would I prove this by induction?

    Started by tonyfoster, March 21st, 2018 22:10
    7991, induction, prove
    • Replies: 1
    • Views: 99
    Last Post: March 22nd, 2018 03:34
    by MarkFL  Go to last post
  8. the proof of the infinite geometric sum

    Started by Cbarker1, March 18th, 2018 19:39
    convergence, infinite, prove, question, series
    • Replies: 1
    • Views: 112
    Last Post: March 18th, 2018 23:44
    by greg1313  Go to last post

    Forum:
    Analysis

    • Replies: 9
    • Views: 135
    Last Post: March 2nd, 2018 13:52
    by Euge  Go to last post
  9. Prove the limit

    Started by lfdahl, February 9th, 2018 09:40
    1.$$, limit, n-1^n-1+n^nn^n, n-1^n-1n^n, prove
    • Replies: 3
    • Views: 272
    Last Post: March 1st, 2018 14:05
    by June29  Go to last post
  10. Problem Of The Week #302 Feb 21st, 2018

    Started by MarkFL, February 21st, 2018 23:26
    • Replies: 1
    • Views: 117
    Last Post: February 28th, 2018 12:00
    by anemone  Go to last post
    • Replies: 0
    • Views: 108
    Last Post: February 24th, 2018 16:06
    by Cbarker1  Go to last post

    Forum:
    Analysis

  11. Latex Code for One Set Minus Another ... ... A\B ... ...

    Started by Peter, February 11th, 2018 01:56
    define, mathbbr^n, mid, notin, prove
    • Replies: 5
    • Views: 297
    Last Post: February 11th, 2018 16:31
    by Evgeny.Makarov  Go to last post
  12. Problem Of The Week #299 Jan 30th, 2018

    Started by anemone, January 30th, 2018 13:05
    cot, fraca2+cot, fracc2=2cot, potw, prove
    • Replies: 1
    • Views: 225
    Last Post: February 6th, 2018 11:55
    by anemone  Go to last post
  13. Odd math problem

    Started by mathpleb, February 5th, 2018 17:58
    fractions, integers, odd, positive, prove
    • Replies: 2
    • Views: 214
    Last Post: February 5th, 2018 19:37
    by June29  Go to last post
  14. Prove this theorem

    Started by Cbarker1, October 12th, 2017 18:40
    assume, integer, lost, prove, square
    • Replies: 2
    • Views: 241
    Last Post: February 2nd, 2018 23:07
    by Country Boy  Go to last post
  15. [ASK] Prove Using Induction

    Started by Monoxdifly, February 1st, 2018 03:29
    divisible, induction, mathematical, prove, true
    • Replies: 7
    • Views: 301
    Last Post: February 1st, 2018 22:19
    by June29  Go to last post

    Forum:
    Pre-Calculus

  16. Equilateral triangle within a circumscribed circle

    Started by Yankel, January 19th, 2018 08:29
    • Replies: 5
    • Views: 316
    Last Post: January 19th, 2018 13:55
    by MarkFL  Go to last post

    Forum:
    Geometry

  17. [SOLVED] Prove that if g(f(x)) is injective then f is injective

    Started by Cbarker1, January 16th, 2018 18:52
    belongs, gfx, implies, injective, prove
    • Replies: 1
    • Views: 195
    Last Post: January 16th, 2018 20:38
    by Euge  Go to last post

    Forum:
    Analysis

  18. Problem Of The Week # 295 - Jan 04, 2018

    Started by Ackbach, January 4th, 2018 17:07
    perpendicular, potw, problem, prove, triangle
    • Replies: 1
    • Views: 146
    Last Post: January 12th, 2018 14:39
    by Ackbach  Go to last post
  19. Prove the nested radicals identity

    Started by lfdahl, January 9th, 2018 18:24
    identity, nested, prove, sqrtn+sqrtn-, [sqrtn
    • Replies: 4
    • Views: 294
    Last Post: January 10th, 2018 15:25
    by lfdahl  Go to last post
  20. prove that dirichlet function is periodic

    Started by esuahcdss12, December 26th, 2017 14:19
    dirichlet, function, functions, periodic, prove
    • Replies: 6
    • Views: 334
    Last Post: December 28th, 2017 13:26
    by Krylov  Go to last post

    Forum:
    Calculus

  21. Trigonometric sum identity

    Started by lfdahl, December 16th, 2017 16:21
    identity, prove, sum, trigonometric, [sum_j=1^n-1csc^2left
    • Replies: 2
    • Views: 182
    Last Post: December 22nd, 2017 16:16
    by lfdahl  Go to last post
  22. Definite integral challenge

    Started by lfdahl, December 17th, 2017 18:19
    $$int_0^piln, challenge, definite, integral, prove
    • Replies: 2
    • Views: 150
    Last Post: December 18th, 2017 15:27
    by lfdahl  Go to last post
  23. A finite set of integers

    Started by lfdahl, December 14th, 2017 04:52
    $a^2b^2$, $t$, finite, prove, set
    • Replies: 2
    • Views: 107
    Last Post: December 15th, 2017 07:01
    by lfdahl  Go to last post
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