# Trigonometry Forum

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

1. ### Determining Exact Values

• Replies: 2
• Views: 3,182
Apr 28th 2012, 03:51 PM
2. ### (a) "Evaluate h(t) = cos (20t)° for t = 3." (b) What is the value of t when h(t) =...

• Replies: 1
• Views: 840
Apr 28th 2012, 01:12 PM
3. ### Need help simplifying an equation with arctan

• Replies: 3
• Views: 1,153
Apr 27th 2012, 06:20 AM
4. ### How do I evaluate the integral of (sin(2t)^2)^(1/2) ?

• Replies: 1
• Views: 2,011
Apr 26th 2012, 12:28 PM
5. ### trigonometric equations

• Replies: 1
• Views: 448
Apr 25th 2012, 03:37 PM
6. ### Not sure if trig but this was given to me in trig class

• Replies: 3
• Views: 431
Apr 25th 2012, 02:23 PM
7. ### Trigonometric Equations

• Replies: 2
• Views: 481
Apr 25th 2012, 11:59 AM
8. ### [Pre-Calc] Finding all solutions of a trig equation

• Replies: 3
• Views: 1,071
Apr 25th 2012, 11:55 AM
9. ### CONVERTING b/w POLAR equations & RECTANGULAR equations

• Replies: 1
• Views: 6,325
Apr 24th 2012, 06:02 AM
10. ### compound and double angle formulae

• Replies: 3
• Views: 3,584
Apr 23rd 2012, 01:22 PM
11. ### Trig. equation solution problem.

• Replies: 8
• Views: 1,204
Apr 21st 2012, 11:16 PM
12. ### How do i work out something like cos^2(x+pi/6) when x = 0.2

• Replies: 1
• Views: 633
Apr 21st 2012, 10:52 AM
13. ### simplification of trigonometric equation

• Replies: 2
• Views: 624
Apr 20th 2012, 01:42 AM
14. ### trig equation help please

• Replies: 2
• Views: 458
Apr 19th 2012, 10:15 PM
15. ### Given one set of coordinates, find another set that is 120 degrees away.

• Replies: 5
• Views: 1,914
Apr 19th 2012, 03:47 PM
16. ### finding the value

• Replies: 6
• Views: 626
Apr 19th 2012, 02:02 PM
17. ### Solving trigonomety equations using addition formulae.

• Replies: 5
• Views: 1,125
Apr 19th 2012, 02:49 AM
18. ### Assistance needed on this question!

• Replies: 1
• Views: 1,045
Apr 18th 2012, 08:01 AM
19. ### Solving Trigonometric Conditional Equations

• Replies: 7
• Views: 1,866
Apr 17th 2012, 03:21 AM
20. ### Help with solving three trig equations

• Replies: 3
• Views: 694
Apr 16th 2012, 12:41 AM
21. ### Proof Help!?

• Replies: 2
• Views: 627
Apr 15th 2012, 03:18 PM
22. ### Solving for theta, a little rusty with trig identities

• Replies: 1
• Views: 961
Apr 15th 2012, 12:13 AM

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