# Trigonometry Forum

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

1. ### Trig proof problem

• Replies: 1
• Views: 464
Jul 23rd 2015, 04:08 AM
2. ### Find Domain and Range

• Replies: 8
• Views: 711
Jul 22nd 2015, 08:14 PM
3. ### 2 Trigonometry word problems

• Replies: 12
• Views: 1,166
Jul 21st 2015, 05:45 AM
4. ### Maximum of function

• Replies: 4
• Views: 478
Jul 14th 2015, 11:49 AM
5. ### Soving 2 equations...

• Replies: 1
• Views: 424
Jul 14th 2015, 02:07 AM
6. ### Composite curve between functions

• Replies: 2
• Views: 531
Jul 13th 2015, 11:42 AM

• Replies: 3
• Views: 514
Jul 9th 2015, 11:10 PM
8. ### How do I prove/disprove: (sinx + sin 5x)/(cosx + cos 5x) ≟ tan3x

• Replies: 1
• Views: 3,227
Jul 9th 2015, 10:32 PM
9. ### vectors and planes!

• Replies: 4
• Views: 550
Jul 6th 2015, 11:14 PM
10. ### Vectors question, might be easy.

• Replies: 4
• Views: 529
Jul 6th 2015, 07:58 PM
11. ### sin 180-theta=sin theta in a unit circle

• Replies: 2
• Views: 2,048
Jul 5th 2015, 05:41 PM
12. ### Parallel line calculations???

• Replies: 1
• Views: 437
Jul 1st 2015, 07:47 PM

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14. ### Trig , sin , cos

• Replies: 9
• Views: 628
Jun 26th 2015, 11:24 AM
15. ### Belt and Pulley Problem

• Replies: 1
• Views: 501
Jun 24th 2015, 06:12 AM
16. ### Trig equation help, along with general question about Trig problems.

• Replies: 3
• Views: 816
Jun 22nd 2015, 12:41 PM
17. ### Trig problem. Cannot figure out.

• Replies: 3
• Views: 662
Jun 22nd 2015, 11:04 AM
18. ### Show that (1/cosΘ) - cos Θ = sin Θ tan Θ

• Replies: 5
• Views: 541
Jun 21st 2015, 08:56 PM
19. ### If sec A = cosec A , then show that 2sin^2Θ=1

• Replies: 5
• Views: 580
Jun 20th 2015, 08:10 PM
20. ### Trig

• Replies: 1
• Views: 372
Jun 20th 2015, 08:23 AM
21. ### Trigonometry

• Replies: 4
• Views: 547
Jun 20th 2015, 06:37 AM

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