# Trigonometry Forum

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

1. ### Solving Trigonometric Equation

• Replies: 2
• Views: 363
Feb 20th 2013, 10:47 AM
2. ### Inequality- absolute value function

• Replies: 3
• Views: 540
Feb 19th 2013, 03:41 AM
3. ### Factoring Trigonometric Expression

• Replies: 4
• Views: 526
Feb 18th 2013, 12:08 PM
4. ### trig transformation

• Replies: 1
• Views: 459
Feb 18th 2013, 01:54 AM
5. ### Simplifying Trigonometric Expression

• Replies: 3
• Views: 642
Feb 17th 2013, 11:42 AM
6. ### simplifying trig expression (I think)

• Replies: 1
• Views: 626
Feb 16th 2013, 06:35 PM
7. ### Integrate cos(x)cos(4x) dx

• Replies: 9
• Views: 13,506
Feb 15th 2013, 06:24 PM
8. ### Trigonometry Online Course

• Replies: 1
• Views: 591
Feb 14th 2013, 11:58 PM
9. ### Compound angles HELP!

• Replies: 2
• Views: 843
Feb 14th 2013, 05:47 PM
10. ### Double/half angle identity help!

• Replies: 2
• Views: 651
Feb 12th 2013, 09:50 PM
11. ### Simplify trig equation using identities

• Replies: 3
• Views: 1,292
Feb 10th 2013, 09:47 PM
12. ### bcos x-asinx=q asinx+bcosx=p a^2+b^2+p^2+q^2=? math genius help

• Replies: 2
• Views: 862
Feb 7th 2013, 07:44 PM
13. ### [SOLVED] What is cos(pi/9)?

• Replies: 2
• Views: 9,863
Feb 5th 2013, 06:20 PM
14. ### What methods are known for solving tan^2(x)=1000?

• Replies: 1
• Views: 999
Feb 5th 2013, 10:37 AM
15. ### Formula for describing a closed curve given 4 points

• Replies: 2
• Views: 547
Feb 4th 2013, 02:27 AM
16. ### Positions of points in intersecting circles (DIFFICULT)

• Replies: 1
• Views: 457
Feb 2nd 2013, 09:17 AM
17. ### Help calculating the volume of a tray that is trapezoidal in both cross sections

• Replies: 2
• Views: 642
Feb 1st 2013, 09:05 AM

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