# Trigonometry Forum

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

1. ### Prove this is an Identity

• Replies: 1
• Views: 433
Dec 9th 2010, 06:16 PM
2. ### Calculating work and force on an angle

• Replies: 1
• Views: 831
Dec 9th 2010, 09:51 AM
3. ### maximum(modified)

• Replies: 1
• Views: 560
Dec 9th 2010, 09:50 AM
4. ### Trig Question - Help Needed

• Replies: 1
• Views: 532
Dec 9th 2010, 09:24 AM
5. ### 4th roots of i in a +bi form

• Replies: 6
• Views: 3,101
Dec 9th 2010, 04:43 AM
6. ### Solving trig equations

• Replies: 2
• Views: 544
Dec 8th 2010, 06:06 PM
7. ### Using trigonometry for path finding and resource search

• Replies: 0
• Views: 530
Dec 8th 2010, 08:48 AM
8. ### Proving if it's true (Equality)

• Replies: 10
• Views: 838
Dec 8th 2010, 02:26 AM
9. ### Vector Problem

• Replies: 2
• Views: 537
Dec 7th 2010, 05:04 PM

• Replies: 3
• Views: 648
Dec 7th 2010, 09:35 AM
11. ### determine equilateral triangle's length using a point from the inside

• Replies: 2
• Views: 1,076
Dec 7th 2010, 02:57 AM
12. ### sin(y)tan(x)

• Replies: 1
• Views: 488
Dec 5th 2010, 11:44 PM
13. ### If blahblah, Find the exact value of

• Replies: 2
• Views: 696
Dec 5th 2010, 09:29 PM
14. ### Solve the following equation?

• Replies: 1
• Views: 1,099
Dec 5th 2010, 09:20 PM
15. ### SAS with Laws of Sine and Cosine

• Replies: 10
• Views: 1,035
Dec 5th 2010, 02:10 PM
16. ### Verify Trig expression

• Replies: 4
• Views: 481
Dec 5th 2010, 02:05 PM
17. ### Bearing problem

• Replies: 3
• Views: 7,558
Dec 5th 2010, 01:40 PM
18. ### Difficult Trig Identity Question

• Replies: 11
• Views: 590
Dec 5th 2010, 08:11 AM
19. ### Applying the Law of Cosines

• Replies: 5
• Views: 635
Dec 4th 2010, 04:39 PM
20. ### cos 1 deg. + cos 3 deg. + cos 5 deg.+ ... + cos 177 deg. + cos 179 deg.

• Replies: 3
• Views: 995
Dec 4th 2010, 04:28 PM
21. ### periodic functions help!!

• Replies: 1
• Views: 515
Dec 3rd 2010, 12:18 PM
22. ### Find plane angle from pictures

• Replies: 2
• Views: 750
Dec 3rd 2010, 05:35 AM

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