# Trigonometry Forum

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

1. ### How do you obtain this formula?

• Replies: 1
• Views: 380
Sep 2nd 2013, 07:18 AM
2. ### Trig problem

• Replies: 4
• Views: 448
Aug 27th 2013, 05:37 PM
3. ### Solving Within an Interval & Finding the Period

• Replies: 4
• Views: 576
Aug 25th 2013, 10:01 PM
4. ### Angle formula of trigonometric functions

• Replies: 2
• Views: 1,186
Aug 23rd 2013, 12:09 AM
5. ### Trigonometry Problem

• Replies: 2
• Views: 469
Aug 22nd 2013, 10:05 AM
6. ### help with a proof

• Replies: 2
• Views: 371
Aug 21st 2013, 09:07 PM
7. ### did i get this right?

• Replies: 1
• Views: 415
Aug 21st 2013, 07:15 PM
8. ### help with solving for x

• Replies: 8
• Views: 502
Aug 21st 2013, 01:06 AM
9. ### solving a trig problem

• Replies: 3
• Views: 466
Aug 21st 2013, 12:00 AM
10. ### Help solving trigonometric equation for phi

• Replies: 4
• Views: 951
Aug 19th 2013, 04:42 AM
11. ### help sir abouth this in trigonometric identities using the 8 fundamental identities

• Replies: 1
• Views: 619
Aug 18th 2013, 07:32 PM
12. ### Proving a trigonometric identity and solving for theta (two questions)

• Replies: 1
• Views: 542
Aug 8th 2013, 12:24 AM
13. ### Sine and cosine rules

• Replies: 2
• Views: 504
Jul 31st 2013, 12:24 PM
14. ### I am having difficulty finding the exact values within a given interval

• Replies: 6
• Views: 3,048
Jul 29th 2013, 08:48 PM
15. ### How many 3d coordinates are needed to compute a parallelepiped or cube?

• Replies: 6
• Views: 731
Jul 26th 2013, 06:40 AM
16. ### Calculating Coordinates

• Replies: 2
• Views: 418
Jul 26th 2013, 02:28 AM
17. ### Trigonometric Functions

• Replies: 4
• Views: 993
Jul 25th 2013, 06:38 PM
18. ### Calculating resize amount needed to match of image sizes of difference FOVs (AOVs).

• Replies: 1
• Views: 571
Jul 24th 2013, 02:28 AM

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