# Trigonometry Forum

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

1. ### tan alpha = 1/2

• Replies: 3
• Views: 5,538
Aug 25th 2011, 12:51 PM
2. ### circle incribed in a circular sector

• Replies: 2
• Views: 627
Aug 24th 2011, 08:29 PM
3. ### A small problem on cos a + cos 2a + cos 3a equation

• Replies: 6
• Views: 3,435
Aug 24th 2011, 06:33 PM
4. ### (cosx^2)/x=cosx true or false. Explain.

• Replies: 1
• Views: 992
Aug 23rd 2011, 06:40 PM
5. ### Trigonomic Equations

• Replies: 17
• Views: 1,290
Aug 23rd 2011, 03:09 PM
6. ### Finding the lengths and sides of a kite

• Replies: 4
• Views: 5,148
Aug 21st 2011, 11:53 PM
7. ### Understanding which trig signs to use

• Replies: 12
• Views: 833
Aug 21st 2011, 07:19 AM
8. ### Proving Questions leading to 'Hence' solve for x

• Replies: 2
• Views: 605
Aug 20th 2011, 09:40 AM
9. ### [SOLVED] problem solving basic tan equation!

• Replies: 5
• Views: 790
Aug 20th 2011, 05:23 AM
10. ### Calculating an angle of a none right angle triangle

• Replies: 14
• Views: 1,357
Aug 19th 2011, 02:42 PM
11. ### Inverse functions and substitution

• Replies: 17
• Views: 1,752
Aug 19th 2011, 10:40 AM
12. ### (tan x)^2 = sin 2x

• Replies: 9
• Views: 1,951
Aug 19th 2011, 10:35 AM
13. ### Solve Rotation-Type Matrix Problem

• Replies: 1
• Views: 760
Aug 19th 2011, 06:27 AM
14. ### Help me solve for x?

• Replies: 1
• Views: 599
Aug 18th 2011, 02:37 PM
15. ### How do the quadrants affect my answer here?

• Replies: 14
• Views: 759
Aug 16th 2011, 09:06 AM
16. ### Finding value of x

• Replies: 1
• Views: 454
Aug 14th 2011, 04:51 PM
17. ### trouble with Cosine Rule

• Replies: 4
• Views: 575
Aug 14th 2011, 03:31 PM
18. ### Inverse trig functions and implied domains

• Replies: 5
• Views: 1,480
Aug 14th 2011, 05:10 AM
19. ### Solving trigonometric equations:

• Replies: 6
• Views: 843
Aug 12th 2011, 11:15 AM
20. ### Vector Real Life Application

• Replies: 2
• Views: 4,995
Aug 12th 2011, 11:04 AM
21. ### Evaluation of Cos(2/3+i2)

• Replies: 3
• Views: 636
Aug 12th 2011, 01:48 AM
22. ### Circle inside a square

• Replies: 2
• Views: 1,117
Aug 11th 2011, 05:32 AM

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