28 July 2025

• curprev 23:2723:27, 28 July 2025 MRENTHUSIASM talk contribs 4,019 bytes −1 →Solution 3 (Double Angle Identities)
• curprev 18:1118:11, 28 July 2025 Aoum talk contribs 4,020 bytes −11 No edit summary
• curprev 18:0018:00, 28 July 2025 Tylertrikowsky talk contribs 4,031 bytes −13 →Solution 4 (Vector Methods)
• curprev 17:5517:55, 28 July 2025 Tylertrikowsky talk contribs 4,044 bytes −1 →Solution 4 (Vector Methods)
• curprev 17:5517:55, 28 July 2025 Tylertrikowsky talk contribs 4,045 bytes +14 No edit summary
• curprev 17:4817:48, 28 July 2025 Tylertrikowsky talk contribs 4,031 bytes +1,159 No edit summary

25 October 2023

• curprev 22:4222:42, 25 October 2023 MRENTHUSIASM talk contribs 2,872 bytes +1 →Video Solution 1 (Smart and Simple)
• curprev 14:3414:34, 25 October 2023 Math-x talk contribs 2,871 bytes +105 No edit summary

28 December 2022

• curprev 12:0512:05, 28 December 2022 MRENTHUSIASM talk contribs m 2,766 bytes +24 →Solution 3 (Double Angle Identities)
• curprev 11:4211:42, 28 December 2022 MRENTHUSIASM talk contribs 2,742 bytes −7 No edit summary
• curprev 11:3411:34, 28 December 2022 MRENTHUSIASM talk contribs m 2,749 bytes +6 →Solution 1 (Right Triangles)
• curprev 11:3111:31, 28 December 2022 MRENTHUSIASM talk contribs 2,743 bytes +17 →Solution 2
• curprev 11:3111:31, 28 December 2022 MRENTHUSIASM talk contribs 2,726 bytes +11 →Solution 3 (Trigonometry)
• curprev 11:3111:31, 28 December 2022 MRENTHUSIASM talk contribs 2,715 bytes −17 →Solution 2 (Law of Cosines)
• curprev 11:3011:30, 28 December 2022 MRENTHUSIASM talk contribs 2,732 bytes +1 →Solution 2 (Trigonometry)
• curprev 11:2911:29, 28 December 2022 MRENTHUSIASM talk contribs 2,731 bytes +14 →Solution 1 (Right Triangles)
• curprev 11:2911:29, 28 December 2022 MRENTHUSIASM talk contribs 2,717 bytes +538 No edit summary

14 December 2022

• curprev 15:5715:57, 14 December 2022 MRENTHUSIASM talk contribs 2,179 bytes +4 →Solution 1
• curprev 15:5515:55, 14 December 2022 MRENTHUSIASM talk contribs 2,175 bytes +1 →Problem
• curprev 15:5515:55, 14 December 2022 MRENTHUSIASM talk contribs 2,174 bytes +10 →Problem
• curprev 15:5415:54, 14 December 2022 MRENTHUSIASM talk contribs 2,164 bytes +683 No edit summary

15 November 2022

• curprev 16:0716:07, 15 November 2022 Sugar rush talk contribs 1,481 bytes +45 No edit summary

14 November 2022

• curprev 18:4818:48, 14 November 2022 Thestudyofeverything talk contribs 1,436 bytes +107 →Solution 2

12 November 2022

• curprev 13:3513:35, 12 November 2022 Misclicked talk contribs 1,329 bytes +687 →Solution
• curprev 12:4512:45, 12 November 2022 Jamesl123456 talk contribs 642 bytes 0 →Solution
• curprev 12:4412:44, 12 November 2022 Jamesl123456 talk contribs 642 bytes +94 No edit summary
• curprev 12:4312:43, 12 November 2022 Jamesl123456 talk contribs 548 bytes +4 →Solution
• curprev 12:4312:43, 12 November 2022 Jamesl123456 talk contribs 544 bytes +2 →Solution
• curprev 12:4312:43, 12 November 2022 Jamesl123456 talk contribs 542 bytes +232 No edit summary
• curprev 10:2010:20, 12 November 2022 Oxymoronic15 talk contribs 310 bytes +310 Created page with "==Problem== Let <math>M</math> be the midpoint of <math>AB</math> in regular tetrahedron <math>ABCD</math>. What is <math>\cos(\angle CMD)</math>? <math>\textbf{(A) } \frac1..."