# Trigonometry Forum

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

1. ### Demonstrate Period of trigonometric functions?

• Replies: 1
• Views: 809
Apr 25th 2013, 01:16 PM
2. ### Not sure what to do with this problem (First post, by the way, Hi :)).

• Replies: 2
• Views: 610
Apr 24th 2013, 09:56 AM
3. ### Trig equations

• Replies: 2
• Views: 397
Apr 22nd 2013, 08:01 AM
4. ### Help with trigonometric graph

• Replies: 1
• Views: 581
Apr 21st 2013, 08:46 PM
5. ### Need help solving this equation −sin (2θ) − cos (4θ) = 0

• Replies: 1
• Views: 2,019
Apr 20th 2013, 06:46 PM
6. ### how to sketch a graph of the product of two trig identities?

• Replies: 2
• Views: 638
Apr 20th 2013, 05:45 AM
7. ### lowering powers help please

• Replies: 1
• Views: 1,234
Apr 17th 2013, 06:51 AM
8. ### I need help evaluating an expression under specific conditions

• Replies: 8
• Views: 5,620
Apr 17th 2013, 12:31 AM

• Replies: 3
• Views: 450
Apr 16th 2013, 01:31 AM
10. ### Infinite Geometric series simple question

• Replies: 5
• Views: 2,256
Apr 16th 2013, 01:30 AM
11. ### trigonometric inequation

• Replies: 2
• Views: 433
Apr 16th 2013, 01:29 AM
12. ### Exact Values and Trigonometric Equations

• Replies: 4
• Views: 394
Apr 15th 2013, 08:05 PM
13. ### help w/ trig equation

• Replies: 3
• Views: 408
Apr 14th 2013, 09:26 PM
14. ### Trouble finding reference angles with radians

• Replies: 10
• Views: 3,613
Apr 14th 2013, 12:55 PM
15. ### Need help solving trig Identity

• Replies: 4
• Views: 424
Apr 11th 2013, 02:32 AM
16. ### Need help simplifying this trigonometric substitution problem on homework.

• Replies: 2
• Views: 1,572
Apr 10th 2013, 05:18 PM
17. ### How to find angle z ?

• Replies: 1
• Views: 432
Apr 10th 2013, 09:35 AM
18. ### Inverse Trig Functions help

• Replies: 2
• Views: 926
Apr 9th 2013, 11:44 AM
19. ### Can someone verify this is correct? - Trig proof.

• Replies: 1
• Views: 628
Apr 8th 2013, 11:14 PM

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