# Trigonometry Forum

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

1. ### Linear Velocity?

• Replies: 5
• Views: 533
Dec 7th 2011, 07:06 AM
2. ### How to solve trig equations - is it ok to take values off graph

• Replies: 2
• Views: 509
Dec 7th 2011, 05:24 AM
3. ### Exact values in radians of θ, goven cosec & tan

• Replies: 2
• Views: 855
Dec 6th 2011, 02:30 PM
4. ### Prove that 1+ cos 2θ + cos 4θ+ cos 6θ = 4 cos θ cos 2θ cos 3θ

• Replies: 3
• Views: 1,303
Dec 6th 2011, 12:56 AM
5. ### Difficult-ish Trig Identity

• Replies: 2
• Views: 493
Dec 5th 2011, 09:54 PM
6. ### Finding the Radius when all i have is the arc length

• Replies: 5
• Views: 459
Dec 5th 2011, 07:02 PM
7. ### Solving a nonlinear system

• Replies: 4
• Views: 767
Dec 5th 2011, 05:02 PM
8. ### solving for value beta in eigen value formula

• Replies: 2
• Views: 466
Dec 5th 2011, 10:56 AM
9. ### [SOLVED] Eccentricity of ellipse

• Replies: 1
• Views: 666
Dec 5th 2011, 05:33 AM
10. ### Solving systems by graphing

• Replies: 3
• Views: 419
Dec 5th 2011, 01:52 AM

• Replies: 3
• Views: 657
Dec 4th 2011, 05:16 PM
12. ### [SOLVED] Help with trig addition and subtraction formulas.

• Replies: 10
• Views: 675
Dec 4th 2011, 03:10 PM
13. ### double - angled formulas

• Replies: 1
• Views: 630
Dec 4th 2011, 01:52 PM

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

• Replies: 1
• Views: 455
Dec 4th 2011, 02:08 AM
16. ### Solution of triangles ambiguous case.

• Replies: 0
• Views: 717
Dec 3rd 2011, 07:55 PM
17. ### Challenging Trig Identity Questions

• Replies: 1
• Views: 5,993
Dec 3rd 2011, 01:07 PM
18. ### [SOLVED] Help solving trig equation

• Replies: 1
• Views: 464
Dec 2nd 2011, 06:06 PM
19. ### Trig Question

• Replies: 4
• Views: 424
Dec 2nd 2011, 04:10 PM
20. ### Equal Distances Within a Sphere

• Replies: 4
• Views: 482
Dec 2nd 2011, 09:43 AM
21. ### Two quick Trig question I am stuck on.

• Replies: 7
• Views: 899
Dec 2nd 2011, 01:10 AM
22. ### I can't transform this correctly.

• Replies: 2
• Views: 484
Dec 1st 2011, 10:03 PM
23. ### find all solutions for sec^2 (theta) - 4 = 0

• Replies: 1
• Views: 5,880
Dec 1st 2011, 07:00 PM
24. ### Help Verifying an Identity

• Replies: 7
• Views: 695
Dec 1st 2011, 06:41 PM
25. ### How do I solve this equation?

• Replies: 5
• Views: 792
Dec 1st 2011, 04:45 AM
26. ### find an angle from cosec and tan

• Replies: 3
• Views: 1,283
Nov 30th 2011, 05:49 PM
27. ### Convert (cos(x)^2) + (sin(x)^2) = 1 into 1 + (tan(x)^2) = (sec(x)^2)

• Replies: 3
• Views: 1,258
Nov 30th 2011, 12:43 PM
28. ### [SOLVED] cos(theta) = 1/ sec(theta) - why does my book not just say true?

• Replies: 3
• Views: 1,616
Nov 30th 2011, 12:02 PM

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