# Trigonometry Forum

Trigonometry Help Forum: Graphing trig expressions, identities, angles, applied questions

1. ### Solve sin(x) = cos(2x) for all x

• Replies: 7
• Views: 6,234
Jun 25th 2012, 09:52 PM
2. ### Trigonometric Identities (2)

• Replies: 1
• Views: 626
Jun 25th 2012, 10:46 AM
3. ### Prove the triangle identity

• Replies: 1
• Views: 542
Jun 24th 2012, 06:25 AM

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5. ### [SOLVED] Need help on Right Triangles

• Replies: 3
• Views: 458
Jun 19th 2012, 06:13 PM
6. ### sinusoidal function

• Replies: 8
• Views: 11,297
Jun 19th 2012, 02:30 PM
7. ### trig identity

• Replies: 1
• Views: 516
Jun 17th 2012, 09:12 AM
8. ### Help with sinusoidal function rule

• Replies: 1
• Views: 469
Jun 15th 2012, 12:39 AM
9. ### Perpendicular Distance from Point to Arc

• Replies: 8
• Views: 2,575
Jun 14th 2012, 02:16 PM
10. ### Help With a Diagram

• Replies: 3
• Views: 861
Jun 14th 2012, 01:42 PM
11. ### Calculate the side of the cube

• Replies: 3
• Views: 685
Jun 13th 2012, 11:15 PM
12. ### help with cosine and sine difference formulas and axes of rotation.

• Replies: 1
• Views: 773
Jun 12th 2012, 03:00 PM
13. ### Trigometric function of a function question.

• Replies: 3
• Views: 739
Jun 12th 2012, 11:03 AM
14. ### Triangle probability puzzle

• Replies: 7
• Views: 1,370
Jun 11th 2012, 08:26 AM
15. ### Math Trig Identity

• Replies: 10
• Views: 562
Jun 10th 2012, 01:55 PM
16. ### Solve the equation of Cos3(theta) = 1/2

• Replies: 6
• Views: 8,110
Jun 10th 2012, 01:22 PM
17. ### [SOLVED] cot(x) = 0, find x

• Replies: 2
• Views: 5,861
Jun 8th 2012, 08:30 AM
18. ### Trigonometric identity

• Replies: 1
• Views: 595
Jun 8th 2012, 03:56 AM
19. ### trig solvein problem

• Replies: 3
• Views: 476
Jun 7th 2012, 08:54 AM
20. ### trig prove

• Replies: 1
• Views: 590
Jun 6th 2012, 10:57 PM
21. ### trig prove

• Replies: 1
• Views: 446
Jun 6th 2012, 09:24 AM

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23. ### Embarrassing, but

• Replies: 4
• Views: 702
Jun 5th 2012, 03:32 AM
24. ### Simplifying TRIG expressions

• Replies: 4
• Views: 624
Jun 5th 2012, 01:13 AM
25. ### Help Proving Trig Identities

• Replies: 2
• Views: 534
Jun 4th 2012, 07:17 PM
26. ### Natural Logarithms help:

• Replies: 1
• Views: 606
Jun 4th 2012, 02:36 PM

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