# Trigonometry Forum

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

1. ### changing the term

• Replies: 6
• Views: 431
Oct 21st 2011, 06:42 AM
2. ### Verifying help

• Replies: 3
• Views: 557
Oct 19th 2011, 10:52 AM
3. ### Show that cot(A)=(1+sin(2A)+cos(2A))/(1+sin(2A)-cos(2A))

• Replies: 1
• Views: 4,647
Oct 18th 2011, 09:31 AM
4. ### The product of sines and the product of cosines of (k\pi)/(2n+1) for 0<k<n+1

• Replies: 3
• Views: 957
Oct 18th 2011, 04:40 AM
5. ### trig problem

• Replies: 3
• Views: 524
Oct 17th 2011, 10:05 PM
6. ### Working with angles

• Replies: 3
• Views: 2,446
Oct 17th 2011, 02:32 PM
7. ### [SOLVED] Trig equation problem

• Replies: 8
• Views: 556
Oct 17th 2011, 01:03 PM
8. ### How to solve the equation: 13sin^2 x + 12sinx-1=0

• Replies: 5
• Views: 709
Oct 17th 2011, 08:02 AM
9. ### [SOLVED] Compound trig problem and general solutions

• Replies: 5
• Views: 547
Oct 17th 2011, 03:11 AM
10. ### Graphing Trig Functions

• Replies: 2
• Views: 668
Oct 17th 2011, 12:15 AM
11. ### unit length unit rise ratio

• Replies: 6
• Views: 2,306
Oct 16th 2011, 08:45 PM
12. ### Inverse Trig Ratios

• Replies: 4
• Views: 465
Oct 16th 2011, 08:13 PM
13. ### Help with Trig problem

• Replies: 1
• Views: 578
Oct 16th 2011, 02:25 PM
14. ### Too Many Solutions: tan x = 3 sin x

• Replies: 5
• Views: 4,331
Oct 16th 2011, 02:11 AM
15. ### How to find point of interesection between sin x and sin 0.5x?

• Replies: 2
• Views: 1,049
Oct 15th 2011, 05:11 PM
16. ### Graphing trig functions such as sinx+x

• Replies: 3
• Views: 647
Oct 14th 2011, 04:14 AM
17. ### Arc values not on the unit circle

• Replies: 4
• Views: 1,088
Oct 13th 2011, 12:59 PM
18. ### okay the last verify problem i have problems with

• Replies: 1
• Views: 629
Oct 12th 2011, 08:34 PM
19. ### [SOLVED] another trig id problem

• Replies: 2
• Views: 804
Oct 12th 2011, 06:08 PM
20. ### [SOLVED] trig identities

• Replies: 0
• Views: 383
Oct 12th 2011, 05:31 PM
21. ### Calculate tan^2(36) tan^2(72)

• Replies: 12
• Views: 6,886
Oct 11th 2011, 06:06 AM
22. ### tanθ = -2, θ = ?

• Replies: 10
• Views: 998
Oct 10th 2011, 06:15 PM
23. ### Solve for tan

• Replies: 1
• Views: 402
Oct 10th 2011, 04:26 PM
24. ### Simplify cos ( tan^-1 (1/4) )

• Replies: 7
• Views: 838
Oct 9th 2011, 09:00 PM
25. ### [SOLVED] help needed with trigonometric identities

• Replies: 1
• Views: 428
Oct 9th 2011, 08:44 PM
26. ### Solve 2pi = 6 cos^-1 (3x)

• Replies: 6
• Views: 719
Oct 9th 2011, 08:02 PM
27. ### Modelling Blood Pressure

• Replies: 2
• Views: 2,241
Oct 9th 2011, 09:55 AM
28. ### Find Exact Value of SinB

• Replies: 17
• Views: 1,601
Oct 8th 2011, 01:32 PM
29. ### Find tan knowing sin-cos

• Replies: 6
• Views: 728
Oct 8th 2011, 06:16 AM

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