# Trigonometry Forum

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

1. ### relation between tan theta and tan 2theta

• Replies: 1
• Views: 1,507
Apr 20th 2006, 07:29 AM
2. ### Solve trig equation

• Replies: 4
• Views: 983
Apr 20th 2006, 06:28 AM
3. ### express cos (x - y)

• Replies: 3
• Views: 827
Apr 18th 2006, 08:16 AM
4. ### Identities

• Replies: 3
• Views: 734
Apr 17th 2006, 11:47 AM
5. ### Trig Help

• Replies: 3
• Views: 769
Apr 17th 2006, 11:25 AM
6. ### FIND sin alpha and sin beta

• Replies: 3
• Views: 3,001
Apr 17th 2006, 09:34 AM
7. ### Polar Form of Equation

• Replies: 3
• Views: 1,694
Apr 13th 2006, 03:23 AM
8. ### given 3 sides, want an angle

• Replies: 10
• Views: 1,529
Apr 12th 2006, 10:15 AM
9. ### Could really use some help

• Replies: 2
• Views: 821
Apr 11th 2006, 02:07 PM
10. ### 4 sin z + cos z = 0

• Replies: 10
• Views: 1,462
Apr 6th 2006, 05:59 AM
11. ### Trig Review

• Replies: 5
• Views: 1,753
Apr 4th 2006, 06:38 PM
12. ### Evaluating This Trig Function

• Replies: 4
• Views: 1,106
Apr 3rd 2006, 03:20 PM
13. ### Parabola

• Replies: 2
• Views: 750
Mar 27th 2006, 08:53 AM
14. ### Need double checking.

• Replies: 9
• Views: 1,013
Mar 27th 2006, 03:57 AM
15. ### Using half angle formula

• Replies: 6
• Views: 1,297
Mar 27th 2006, 03:50 AM
16. ### trig equation

• Replies: 6
• Views: 1,069
Mar 26th 2006, 04:26 PM
17. ### sine graph

• Replies: 1
• Views: 1,051
Mar 23rd 2006, 06:10 AM
18. ### sine graph

• Replies: 1
• Views: 1,220
Mar 23rd 2006, 02:40 AM

• Replies: 2
• Views: 691
Mar 22nd 2006, 01:26 PM
20. ### Exact value of angle

• Replies: 4
• Views: 1,447
Mar 21st 2006, 01:43 AM
21. ### Trigonometric Formulars

• Replies: 2
• Views: 1,537
Mar 19th 2006, 02:01 AM
22. ### Please help with Trig equation sin(x) = -1/2

• Replies: 1
• Views: 961
Mar 16th 2006, 05:58 PM
23. ### Solving tan equation

• Replies: 1
• Views: 1,509
Mar 16th 2006, 05:33 PM
24. ### Proving Indentity

• Replies: 4
• Views: 1,224
Mar 16th 2006, 01:32 PM
25. ### Trigonometry

• Replies: 3
• Views: 900
Mar 14th 2006, 09:52 AM
26. ### Derivation of Sum and Difference Angles

• Replies: 5
• Views: 1,142
Mar 12th 2006, 07:20 PM
27. ### Law of Sines

• Replies: 4
• Views: 1,629
Mar 11th 2006, 07:15 PM

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