# Trigonometry Forum

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

1. ### How to find the inverse tangent since the calculator is limited

• Replies: 3
• Views: 815
Oct 13th 2012, 09:44 AM
2. ### Trigo surds question

• Replies: 1
• Views: 654
Oct 13th 2012, 12:16 AM
3. ### Basic Trig issue

• Replies: 2
• Views: 402
Oct 12th 2012, 10:21 PM
4. ### Linear Programming and systems, HELP ME! :(

• Replies: 3
• Views: 3,269
Oct 11th 2012, 07:29 PM
5. ### Trigonometric equation involving (sin x ) ^ 2

• Replies: 5
• Views: 452
Oct 11th 2012, 11:08 AM
6. ### direction component of vector without case analysis

• Replies: 3
• Views: 792
Oct 11th 2012, 05:56 AM
7. ### cos x = sqrt(3)/2

• Replies: 3
• Views: 30,419
Oct 9th 2012, 09:18 AM
8. ### trig equation,

• Replies: 5
• Views: 868
Oct 8th 2012, 12:06 PM
9. ### finding positive angles for inverse functions

• Replies: 4
• Views: 912
Oct 8th 2012, 10:56 AM
10. ### simplify trg expression

• Replies: 1
• Views: 674
Oct 8th 2012, 08:24 AM
11. ### Need help simplifying a trigonometric expression

• Replies: 3
• Views: 764
Oct 8th 2012, 07:43 AM
12. ### cos pi/6

• Replies: 4
• Views: 2,498
Oct 8th 2012, 06:18 AM

• Replies: 1
• Views: 695
Oct 7th 2012, 07:45 PM
14. ### Unit Circle Stuff

• Replies: 3
• Views: 2,013
Oct 7th 2012, 03:41 PM
15. ### Help needed

• Replies: 11
• Views: 1,109
Oct 7th 2012, 06:18 AM
16. ### Deriving trigonmetric identities, little confused?

• Replies: 3
• Views: 702
Oct 5th 2012, 10:42 PM
17. ### Suck on maximum and minimum values

• Replies: 8
• Views: 3,071
Oct 5th 2012, 04:11 AM
18. ### Finding missing angles of a right triangle without inverse operators

• Replies: 2
• Views: 1,181
Oct 4th 2012, 04:48 AM
19. ### Trigonometry Problems

• Replies: 6
• Views: 670
Oct 3rd 2012, 08:39 PM
20. ### terminal side

• Replies: 10
• Views: 2,761
Oct 3rd 2012, 06:02 PM
21. ### Proving an identify with tan in it

• Replies: 8
• Views: 485
Oct 3rd 2012, 04:32 AM
22. ### arccos+arccot

• Replies: 4
• Views: 608
Oct 2nd 2012, 08:51 PM
23. ### Vector Projection Problem

• Replies: 1
• Views: 2,385
Oct 2nd 2012, 07:57 PM
24. ### Trigonometry problem

• Replies: 3
• Views: 547
Oct 2nd 2012, 02:26 PM

• Replies: 2
• Views: 605
Oct 1st 2012, 08:41 PM
26. ### Help solving the following system of equations by using the inverse of the coef

• Replies: 2
• Views: 758
Oct 1st 2012, 06:26 PM

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