# Trigonometry Forum

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

1. ### Compound angles HELP!

• Replies: 2
• Views: 719
Feb 14th 2013, 04:47 PM
2. ### Double/half angle identity help!

• Replies: 2
• Views: 536
Feb 12th 2013, 08:50 PM
3. ### Simplify trig equation using identities

• Replies: 3
• Views: 1,170
Feb 10th 2013, 08:47 PM
4. ### bcos x-asinx=q asinx+bcosx=p a^2+b^2+p^2+q^2=? math genius help

• Replies: 2
• Views: 795
Feb 7th 2013, 06:44 PM
5. ### [SOLVED] What is cos(pi/9)?

• Replies: 2
• Views: 8,322
Feb 5th 2013, 05:20 PM
6. ### What methods are known for solving tan^2(x)=1000?

• Replies: 1
• Views: 893
Feb 5th 2013, 09:37 AM
7. ### Formula for describing a closed curve given 4 points

• Replies: 2
• Views: 518
Feb 4th 2013, 01:27 AM
8. ### Positions of points in intersecting circles (DIFFICULT)

• Replies: 1
• Views: 424
Feb 2nd 2013, 08:17 AM
9. ### Help calculating the volume of a tray that is trapezoidal in both cross sections

• Replies: 2
• Views: 620
Feb 1st 2013, 08:05 AM
10. ### Finding the arg equation of arc with given endpoints

• Replies: 2
• Views: 491
Jan 31st 2013, 05:51 PM

• Replies: 3
• Views: 1,375
Jan 31st 2013, 01:31 PM
12. ### Distance formula

• Replies: 5
• Views: 551
Jan 30th 2013, 01:17 PM
13. ### arccos x + arccos y = ...

• Replies: 2
• Views: 1,120
Jan 30th 2013, 04:19 AM
14. ### Simple angle problem

• Replies: 3
• Views: 429
Jan 29th 2013, 10:18 PM
15. ### Finding the trig function

• Replies: 2
• Views: 759
Jan 29th 2013, 06:03 PM
16. ### quick question about reciprocal identity

• Replies: 1
• Views: 445
Jan 29th 2013, 01:29 PM
17. ### Word Problem

• Replies: 2
• Views: 1,343
Jan 28th 2013, 06:03 PM
18. ### Triangle with angle of 60 degrees

• Replies: 3
• Views: 584
Jan 28th 2013, 05:46 PM
19. ### Bearing and Trigonometry

• Replies: 1
• Views: 1,064
Jan 27th 2013, 08:27 PM
20. ### Finding trig functions given constraints

• Replies: 5
• Views: 4,699
Jan 26th 2013, 03:21 PM

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# Trigonometry kee Lamport antique forum la

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