# Trigonometry Forum

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

1. ### Quick Question Help

• Replies: 4
• Views: 467
Mar 27th 2012, 10:59 PM
2. ### Stating the amplitude

• Replies: 2
• Views: 422
Mar 27th 2012, 04:33 PM
3. ### Tricky operation

• Replies: 3
• Views: 486
Mar 26th 2012, 10:07 AM

• Replies: 1
• Views: 673
Mar 25th 2012, 10:34 PM
5. ### Isosceles triangle problem Using right triangle trig

• Replies: 3
• Views: 1,670
Mar 25th 2012, 09:08 PM
6. ### WHOS got the trig brain for this one?????

• Replies: 3
• Views: 977
Mar 25th 2012, 05:47 PM
7. ### Need help with a chart !!!

• Replies: 4
• Views: 728
Mar 25th 2012, 05:30 PM
8. ### Trig chart!!! need help please!!

• Replies: 0
• Views: 562
Mar 25th 2012, 04:51 PM
9. ### Having trouble solving 4*(1+ sin theta) = cos^2 theta

• Replies: 6
• Views: 3,740
Mar 25th 2012, 01:04 PM
10. ### Help

• Replies: 2
• Views: 465
Mar 25th 2012, 12:11 PM
11. ### Typing symbols

• Replies: 1
• Views: 852
Mar 25th 2012, 04:28 AM
12. ### solving equation

• Replies: 5
• Views: 555
Mar 23rd 2012, 12:39 PM
13. ### Would someone be willing to help me with my Trigonometry makeup work?

• Replies: 12
• Views: 1,062
Mar 22nd 2012, 09:52 PM
14. ### Solving for Tan^2(x)= value

• Replies: 1
• Views: 463
Mar 22nd 2012, 09:51 PM
15. ### Help with sketching a function

• Replies: 2
• Views: 728
Mar 19th 2012, 10:37 PM
16. ### Assistance with a proof

• Replies: 1
• Views: 417
Mar 19th 2012, 05:31 PM
17. ### Solve this!!!

• Replies: 3
• Views: 451
Mar 19th 2012, 06:16 AM
18. ### Help! 3 Trig problems

• Replies: 2
• Views: 550
Mar 18th 2012, 11:05 PM
19. ### Trig Equality

• Replies: 2
• Views: 618
Mar 18th 2012, 10:37 AM
20. ### trig equation involving tan

• Replies: 4
• Views: 547
Mar 15th 2012, 01:53 PM
21. ### Exact solutions with radians

• Replies: 11
• Views: 2,328
Mar 15th 2012, 04:33 AM
22. ### Calculate the starting point of my vector in relation to COS ???

• Replies: 0
• Views: 357
Mar 14th 2012, 09:52 AM

• Replies: 2
• Views: 618
Mar 13th 2012, 06:29 PM
24. ### Proof, series from k=1 to n of cos(2*pi*k/(2n+1)) equals -1/2

• Replies: 0
• Views: 1,536
Mar 12th 2012, 10:15 AM
25. ### Double angle formula

• Replies: 3
• Views: 665
Mar 12th 2012, 04:44 AM

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