Trigonometry Forum

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

1. Simple fundamental identity problem

• Replies: 3
• Views: 653
Mar 4th 2009, 08:14 PM
2. Trig

• Replies: 6
• Views: 375
Mar 4th 2009, 05:59 PM
3. Unit Circle Trig

• Replies: 1
• Views: 538
Mar 4th 2009, 05:30 PM
4. Help on this problem

• Replies: 4
• Views: 555
Mar 4th 2009, 04:28 PM
5. De Moivre's theorem problem :(

• Replies: 6
• Views: 807
Mar 4th 2009, 02:09 PM
6. Rectangular form of an equation

• Replies: 3
• Views: 509
Mar 4th 2009, 12:02 PM
7. Clock Problem

• Replies: 3
• Views: 876
Mar 4th 2009, 09:12 AM
8. another simple question

• Replies: 2
• Views: 364
Mar 4th 2009, 06:43 AM
9. Complex Numbers

• Replies: 1
• Views: 278
Mar 4th 2009, 12:33 AM
10. Polar Equations

• Replies: 2
• Views: 301
Mar 3rd 2009, 10:43 PM
11. Trigonometry test question urgent

• Replies: 1
• Views: 405
Mar 3rd 2009, 10:22 PM
12. Equations involving trig identities/formulae

• Replies: 3
• Views: 911
Mar 3rd 2009, 09:07 PM
13. Addition of sine & cosine?

• Replies: 2
• Views: 1,018
Mar 2nd 2009, 11:49 PM
14. solving Trig Equations...HELP pleeze!

• Replies: 1
• Views: 414
Mar 2nd 2009, 11:33 PM
15. De Moivre's theorem.

• Replies: 2
• Views: 7,077
Mar 2nd 2009, 08:23 PM
16. Simplifying sin(x+4)secx?

• Replies: 2
• Views: 542
Mar 2nd 2009, 07:38 AM
17. Getting exact answer from cos(u+-v) & sin(u+-v). Simple problem.

• Replies: 6
• Views: 1,055
Mar 2nd 2009, 06:06 AM
18. Simple Proving Problem

• Replies: 1
• Views: 584
Mar 2nd 2009, 05:55 AM
19. simple question

• Replies: 6
• Views: 561
Mar 1st 2009, 11:31 PM
20. When finding the argument to write a complex number in trigonometric form...

• Replies: 3
• Views: 666
Mar 1st 2009, 08:11 PM
21. Inverse trig functions involving the unit circle?

• Replies: 1
• Views: 1,633
Mar 1st 2009, 01:25 PM
22. Find tan3x in terms of tanx.

• Replies: 1
• Views: 3,730
Mar 1st 2009, 01:12 PM
23. trig

• Replies: 2
• Views: 511
Mar 1st 2009, 09:47 AM
24. Help me to prove this! My brainjuice is OVERHEATING!!!

• Replies: 2
• Views: 398
Mar 1st 2009, 07:49 AM
25. a sin θ + b cos θ = 0

• Replies: 4
• Views: 663
Mar 1st 2009, 07:26 AM

• Replies: 3
• Views: 681
Feb 28th 2009, 09:07 PM
27. Double and Half angle identities

• Replies: 1
• Views: 549
Feb 28th 2009, 07:23 PM

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"trigonometric ratios and trigonometric identities" solution

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