# Trigonometry Forum

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

1. ### Solving Trigonometric equations

• Replies: 1
• Views: 801
Mar 30th 2009, 02:44 AM
2. ### Grade 11 Trigonometric Identities Question

• Replies: 1
• Views: 1,274
Mar 29th 2009, 10:05 PM
3. ### How to find theta in a given trig function (pre-calc)

• Replies: 1
• Views: 1,741
Mar 29th 2009, 09:07 PM
4. ### prove identity #3

• Replies: 3
• Views: 670
Mar 29th 2009, 03:39 PM
5. ### How Far and How High Does a Baseball Need To Go For an Out-of-the-Park Home Run?

• Replies: 2
• Views: 2,539
Mar 29th 2009, 02:59 PM
6. ### How do I solve "sin x = .948"?

• Replies: 3
• Views: 639
Mar 29th 2009, 02:36 PM
7. ### prove that sin2x+sin2y=2sin(x+y)cos(x-y)

• Replies: 2
• Views: 13,043
Mar 29th 2009, 02:15 PM

• Replies: 1
• Views: 426
Mar 29th 2009, 02:13 PM
9. ### proving identity

• Replies: 1
• Views: 612
Mar 29th 2009, 12:37 PM
10. ### tan trig angle formula

• Replies: 4
• Views: 802
Mar 29th 2009, 11:35 AM
11. ### Compound Angle Formulas

• Replies: 3
• Views: 2,170
Mar 29th 2009, 08:41 AM
12. ### Equivalent Trigonomteric Expressions

• Replies: 4
• Views: 529
Mar 29th 2009, 08:22 AM
13. ### help Prove identities

• Replies: 2
• Views: 517
Mar 29th 2009, 07:39 AM
14. ### Trig Proofs

• Replies: 0
• Views: 549
Mar 29th 2009, 06:55 AM
15. ### Compound Angle Formulas

• Replies: 2
• Views: 1,191
Mar 28th 2009, 05:08 PM
16. ### Needing Trig Help

• Replies: 1
• Views: 489
Mar 28th 2009, 03:11 PM
17. ### Trig Help Algebraic Expression

• Replies: 1
• Views: 652
Mar 28th 2009, 03:09 PM
18. ### Height question involving angle of elevation and angle of depression

• Replies: 2
• Views: 1,785
Mar 28th 2009, 02:18 PM
19. ### Question involving angle of elevation

• Replies: 2
• Views: 799
Mar 28th 2009, 02:00 PM
20. ### Prove that secx=[2(cosxsin2x-sinxcos2x)]/sin2x

• Replies: 3
• Views: 1,968
Mar 28th 2009, 09:11 AM
21. ### Trigonomteric Ratios and Special Angles

• Replies: 1
• Views: 5,197
Mar 28th 2009, 08:11 AM
22. ### Solving Trigonometric equations

• Replies: 1
• Views: 538
Mar 28th 2009, 01:08 AM
23. ### Finding an angle

• Replies: 1
• Views: 510
Mar 27th 2009, 08:02 PM
24. ### trignometric solution

• Replies: 2
• Views: 523
Mar 27th 2009, 04:26 PM
25. ### 5 coshx + 4 sinh x =7

• Replies: 1
• Views: 1,959
Mar 27th 2009, 07:44 AM
26. ### trigonometric graph transformations.

• Replies: 4
• Views: 728
Mar 27th 2009, 05:59 AM
27. ### Trig Equation

• Replies: 4
• Views: 467
Mar 27th 2009, 02:57 AM
28. ### Proving an identity

• Replies: 2
• Views: 404
Mar 27th 2009, 02:24 AM
29. ### Solving Trig problems using similar Triangles

• Replies: 7
• Views: 1,972
Mar 26th 2009, 06:38 PM
30. ### Trig. Establishing Identity

• Replies: 4
• Views: 496
Mar 26th 2009, 06:05 PM

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