# Trigonometry Forum

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

1. ### Solving a nonlinear system

• Replies: 4
• Views: 742
Dec 5th 2011, 04:02 PM
2. ### solving for value beta in eigen value formula

• Replies: 2
• Views: 443
Dec 5th 2011, 09:56 AM
3. ### [SOLVED] Eccentricity of ellipse

• Replies: 1
• Views: 638
Dec 5th 2011, 04:33 AM
4. ### Solving systems by graphing

• Replies: 3
• Views: 399
Dec 5th 2011, 12:52 AM
5. ### trig four quadrants

• Replies: 3
• Views: 633
Dec 4th 2011, 04:16 PM
6. ### [SOLVED] Help with trig addition and subtraction formulas.

• Replies: 10
• Views: 646
Dec 4th 2011, 02:10 PM
7. ### double - angled formulas

• Replies: 1
• Views: 604
Dec 4th 2011, 12:52 PM

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9. ### Need some help with a trig equation

• Replies: 1
• Views: 437
Dec 4th 2011, 01:08 AM
10. ### Solution of triangles ambiguous case.

• Replies: 0
• Views: 668
Dec 3rd 2011, 06:55 PM
11. ### Challenging Trig Identity Questions

• Replies: 1
• Views: 3,431
Dec 3rd 2011, 12:07 PM
12. ### [SOLVED] Help solving trig equation

• Replies: 1
• Views: 436
Dec 2nd 2011, 05:06 PM
13. ### Trig Question

• Replies: 4
• Views: 407
Dec 2nd 2011, 03:10 PM
14. ### Equal Distances Within a Sphere

• Replies: 4
• Views: 466
Dec 2nd 2011, 08:43 AM
15. ### Two quick Trig question I am stuck on.

• Replies: 7
• Views: 831
Dec 2nd 2011, 12:10 AM
16. ### I can't transform this correctly.

• Replies: 2
• Views: 456
Dec 1st 2011, 09:03 PM
17. ### find all solutions for sec^2 (theta) - 4 = 0

• Replies: 1
• Views: 5,229
Dec 1st 2011, 06:00 PM
18. ### Help Verifying an Identity

• Replies: 7
• Views: 609
Dec 1st 2011, 05:41 PM
19. ### How do I solve this equation?

• Replies: 5
• Views: 677
Dec 1st 2011, 03:45 AM
20. ### find an angle from cosec and tan

• Replies: 3
• Views: 1,173
Nov 30th 2011, 04:49 PM
21. ### Convert (cos(x)^2) + (sin(x)^2) = 1 into 1 + (tan(x)^2) = (sec(x)^2)

• Replies: 3
• Views: 1,222
Nov 30th 2011, 11:43 AM
22. ### [SOLVED] cos(theta) = 1/ sec(theta) - why does my book not just say true?

• Replies: 3
• Views: 1,457
Nov 30th 2011, 11:02 AM
23. ### What are some good trigonometry textbooks?

• Replies: 0
• Views: 777
Nov 30th 2011, 06:08 AM
24. ### Find the unknown side of a triangle?

• Replies: 4
• Views: 517
Nov 29th 2011, 07:05 PM
25. ### Solve the Equation exactly over the interval [0, 2pi].

• Replies: 6
• Views: 1,401
Nov 29th 2011, 02:01 PM
26. ### Trig Application Problem

• Replies: 1
• Views: 1,272
Nov 29th 2011, 09:03 AM
27. ### Questions in the "show that" form for exams.

• Replies: 2
• Views: 488
Nov 29th 2011, 06:14 AM
28. ### ((1+sinx+icosx)/(1+sinx-icos))^n

• Replies: 5
• Views: 4,571
Nov 28th 2011, 07:06 PM

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