# Trigonometry Forum

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

1. ### find the sec(x)

• Replies: 2
• Views: 609
Mar 20th 2010, 09:38 AM

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3. ### Compound Angle Formula.

• Replies: 3
• Views: 777
Mar 20th 2010, 05:13 AM
4. ### Trig equations: cos4x=sin2x

• Replies: 3
• Views: 3,927
Mar 20th 2010, 02:08 AM
5. ### Harmonic form and compound angle formula for hyperbolics

• Replies: 1
• Views: 919
Mar 19th 2010, 04:48 PM
6. ### [SOLVED] finding sin s

• Replies: 2
• Views: 524
Mar 19th 2010, 10:05 AM
7. ### Trigonometric identities.

• Replies: 2
• Views: 563
Mar 19th 2010, 08:11 AM
8. ### Verifying Trigonometric identities.

• Replies: 1
• Views: 366
Mar 19th 2010, 04:17 AM
9. ### Trig Functions

• Replies: 1
• Views: 395
Mar 18th 2010, 07:32 PM
10. ### Two trig equations

• Replies: 3
• Views: 463
Mar 18th 2010, 01:16 PM
11. ### New problem: 2cos^2 2x = cos2x + 1

• Replies: 4
• Views: 1,296
Mar 18th 2010, 05:43 AM
12. ### Difference Formula

• Replies: 1
• Views: 637
Mar 17th 2010, 07:19 PM
13. ### Half Angle Formulas

• Replies: 4
• Views: 879
Mar 17th 2010, 07:02 PM
14. ### No one knows how to do this question.?

• Replies: 1
• Views: 501
Mar 17th 2010, 05:24 PM
15. ### graphing [tex]y=3cos(x+3pi)-2[/tex]

• Replies: 5
• Views: 1,514
Mar 17th 2010, 02:07 PM
16. ### Find all solutions

• Replies: 3
• Views: 513
Mar 17th 2010, 12:49 PM
17. ### Identities

• Replies: 7
• Views: 490
Mar 17th 2010, 07:08 AM
18. ### AS.AQA.Page.220.Revision Exercise.Q8.Q19.Trigonometry.

• Replies: 4
• Views: 796
Mar 17th 2010, 02:21 AM
19. ### Trig. segmet area+perimiter

• Replies: 6
• Views: 730
Mar 17th 2010, 02:08 AM
20. ### trig identities formula

• Replies: 1
• Views: 401
Mar 16th 2010, 11:36 PM
21. ### How do you find the oblique asymptote for this specific rational function

• Replies: 7
• Views: 877
Mar 16th 2010, 09:22 PM
22. ### [SOLVED] Trigonometric problem

• Replies: 5
• Views: 531
Mar 16th 2010, 08:51 PM
23. ### Addition and Subtraction Formulas

• Replies: 13
• Views: 751
Mar 16th 2010, 06:39 PM
24. ### The Addition and subtraction Formulas

• Replies: 1
• Views: 726
Mar 16th 2010, 06:31 PM
25. ### Simple Neg-Angle ID question.

• Replies: 1
• Views: 582
Mar 16th 2010, 12:52 PM
26. ### [SOLVED] equation for a point on a known line

• Replies: 7
• Views: 602
Mar 16th 2010, 11:53 AM

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28. ### Trig Identities in longer way

• Replies: 2
• Views: 515
Mar 15th 2010, 05:07 PM

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