# Trigonometry Forum

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

1. ### Taking 1/2 of arcsin/arccos/arctan

• Replies: 4
• Views: 1,568
Oct 28th 2010, 04:13 AM
2. ### King Kong and the Railroad Track problem.

• Replies: 1
• Views: 849
Oct 27th 2010, 06:13 PM
3. ### Trig Proof

• Replies: 3
• Views: 503
Oct 27th 2010, 05:55 PM
4. ### Find all possible x's for cos(x) >= -1/2

• Replies: 2
• Views: 656
Oct 27th 2010, 08:54 AM
5. ### Trig Proof

• Replies: 1
• Views: 421
Oct 26th 2010, 03:55 PM
6. ### Graphing trig expressions such as sin(1/x)

• Replies: 2
• Views: 466
Oct 26th 2010, 01:56 PM
7. ### [SOLVED] Solve Bearing and Time for Trig problem using two right angles

• Replies: 2
• Views: 1,753
Oct 25th 2010, 08:34 PM
8. ### Trignometric prol

• Replies: 2
• Views: 639
Oct 25th 2010, 01:26 PM
9. ### sin(2x) minus square root of three over two

• Replies: 2
• Views: 1,077
Oct 25th 2010, 11:23 AM
10. ### Next step on proving an identity.

• Replies: 2
• Views: 353
Oct 25th 2010, 10:08 AM
11. ### Finding quadrant for a half angle.

• Replies: 2
• Views: 858
Oct 25th 2010, 08:03 AM
12. ### Find sinά

• Replies: 13
• Views: 606
Oct 25th 2010, 02:00 AM
13. ### How to prove this Inequality?

• Replies: 13
• Views: 831
Oct 24th 2010, 08:37 PM
14. ### Trigonometry Questions and identities.

• Replies: 6
• Views: 779
Oct 24th 2010, 05:51 PM
15. ### 2 questions

• Replies: 1
• Views: 433
Oct 24th 2010, 04:34 PM
16. ### Prove using Trigonometric Identities

• Replies: 3
• Views: 690
Oct 24th 2010, 03:24 PM
17. ### Trigonometry: Bearings

• Replies: 2
• Views: 1,564
Oct 24th 2010, 08:22 AM
18. ### Trig Identities

• Replies: 1
• Views: 500
Oct 23rd 2010, 02:32 PM
19. ### How to solve -2sin(t)+ cos(t) =0

• Replies: 6
• Views: 908
Oct 23rd 2010, 10:53 AM
20. ### Trigonometry and Pre-calculus

• Replies: 3
• Views: 484
Oct 23rd 2010, 10:02 AM
21. ### Trig simplification issues

• Replies: 2
• Views: 847
Oct 23rd 2010, 03:22 AM
22. ### Trig Identites

• Replies: 7
• Views: 656
Oct 22nd 2010, 12:36 PM
23. ### Prove this identity

• Replies: 5
• Views: 486
Oct 21st 2010, 11:50 AM
24. ### Calculating changes of position along a circle circumference using co-ordinates

• Replies: 7
• Views: 1,102
Oct 21st 2010, 11:35 AM
25. ### General Sine Function question - need help to find "C"

• Replies: 2
• Views: 2,033
Oct 20th 2010, 12:57 AM
26. ### Rearranging an equation using a simple trigonometric identity

• Replies: 2
• Views: 464
Oct 19th 2010, 11:00 AM
27. ### algebraically find arcsine?

• Replies: 5
• Views: 995
Oct 18th 2010, 04:36 PM
28. ### Grade 12 Math Problems

• Replies: 1
• Views: 607
Oct 17th 2010, 09:36 PM
29. ### trignometry confusion

• Replies: 3
• Views: 424
Oct 17th 2010, 05:01 PM

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