# Trigonometry Forum

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

1. ### I am stuck at a simple trigonometry problem again

• Replies: 2
• Views: 669
Jul 24th 2012, 09:19 AM
2. ### Prove this

• Replies: 5
• Views: 742
Jul 24th 2012, 05:08 AM
3. ### Vector from angle and length

• Replies: 1
• Views: 749
Jul 23rd 2012, 08:48 AM
4. ### Three-Dimensional Problem?

• Replies: 2
• Views: 1,115
Jul 22nd 2012, 09:05 AM

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6. ### Proving of trigonometric ID

• Replies: 2
• Views: 1,848
Jul 22nd 2012, 04:20 AM
7. ### Parallelogram- Length of diagonal with just lengths of sides?

• Replies: 2
• Views: 1,400
Jul 20th 2012, 12:33 PM
8. ### Imaginary to trig notation

• Replies: 7
• Views: 813
Jul 20th 2012, 08:17 AM
9. ### a cos x + b sinx

• Replies: 5
• Views: 775
Jul 19th 2012, 05:42 PM
10. ### Solving trignometric equation

• Replies: 3
• Views: 744
Jul 17th 2012, 03:22 PM
11. ### When does sin(x)/cos(x) equal 1

• Replies: 8
• Views: 5,419
Jul 17th 2012, 09:08 AM
12. ### Get the end position of a spherical segment line.

• Replies: 0
• Views: 621
Jul 17th 2012, 03:52 AM
13. ### Help on Trigonometric sums. (Assorted type)

• Replies: 10
• Views: 931
Jul 15th 2012, 11:43 AM
14. ### help need on trigonomtery function

• Replies: 7
• Views: 1,024
Jul 14th 2012, 02:19 PM
15. ### Solving a trigonometric equation

• Replies: 6
• Views: 721
Jul 14th 2012, 02:14 PM
16. ### Trigonometric identity proof

• Replies: 2
• Views: 778
Jul 13th 2012, 06:57 PM
17. ### Calculate .....

• Replies: 0
• Views: 863
Jul 13th 2012, 10:58 AM
18. ### Inverse Trig Identity

• Replies: 2
• Views: 580
Jul 10th 2012, 06:32 PM
19. ### another curly one tossed at me by my partner

• Replies: 1
• Views: 491
Jul 10th 2012, 11:55 AM
20. ### Limit of trigonometric equation

• Replies: 4
• Views: 737
Jul 10th 2012, 07:46 AM
21. ### r/ship between coefficient of x in two different functions, newbie to maths

• Replies: 1
• Views: 402
Jul 9th 2012, 09:18 PM
22. ### Vector problem

• Replies: 2
• Views: 735
Jul 9th 2012, 02:24 AM
23. ### Finding the variables

• Replies: 1
• Views: 474
Jul 8th 2012, 05:38 PM
24. ### solve for C: cos(270-D-C)+cos(C-90)=b

• Replies: 2
• Views: 964
Jul 7th 2012, 08:21 AM
25. ### sin(arcsin(x/3)) why just positive?

• Replies: 3
• Views: 982
Jul 7th 2012, 02:47 AM
26. ### Equation of ellipse from directrix and focus

• Replies: 0
• Views: 1,171
Jul 5th 2012, 07:35 PM
27. ### During a 12hour period, the tiles in one area of the bay of Fundy cause the water...

• Replies: 2
• Views: 2,519
Jul 5th 2012, 05:07 PM

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# trigonometry sotr

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