# Trigonometry Forum

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

1. ### Trig problem

• Replies: 10
• Views: 654
Nov 19th 2017, 06:24 PM
2. ### Need help with Ferris Wheel exercise

• Replies: 1
• Views: 478
Nov 17th 2017, 04:08 AM

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4. ### Vibration help

• Replies: 3
• Views: 520
Nov 3rd 2017, 05:59 AM
5. ### How to work out the angle using 2 forces

• Replies: 2
• Views: 396
Oct 30th 2017, 09:39 AM
6. ### Rewrite csc(θ-45°) an equivalent value using its cofunction.

• Replies: 1
• Views: 417
Oct 27th 2017, 06:22 PM
7. ### Exact value of s in a given interval

• Replies: 5
• Views: 1,561
Oct 15th 2017, 08:58 AM
8. ### Inverse Trigonometric Fnnction and when they cancel what their inverse does

• Replies: 4
• Views: 631
Oct 2nd 2017, 04:51 AM
9. ### Equating trig identities

• Replies: 3
• Views: 699
Sep 13th 2017, 03:56 PM
10. ### it should be easy by now

• Replies: 5
• Views: 812
Sep 5th 2017, 11:25 PM
11. ### Trigonometry answers to minor questions

• Replies: 1
• Views: 498
Sep 5th 2017, 03:01 PM
12. ### doing things in the right order

• Replies: 3
• Views: 753
Sep 5th 2017, 04:50 AM
13. ### spot the illegal operation?

• Replies: 4
• Views: 575
Sep 3rd 2017, 04:53 AM
14. ### ball height

• Replies: 2
• Views: 760
Aug 29th 2017, 08:16 AM
15. ### finding all the solutions in trig equations

• Replies: 7
• Views: 576
Aug 18th 2017, 01:01 AM
16. ### trigonometry proof

• Replies: 2
• Views: 551
Aug 10th 2017, 12:56 AM
17. ### further issue with the t substitution

• Replies: 2
• Views: 483
Aug 9th 2017, 10:14 AM
18. ### sine rule

• Replies: 2
• Views: 690
Aug 7th 2017, 11:47 AM
19. ### Solving Trig equations using the "t" substitution

• Replies: 2
• Views: 486
Aug 7th 2017, 02:17 AM
20. ### [TEX]f(t) = \sin(\omega_1 t)+\sin(\omega_2 t)[/TEX]

• Replies: 2
• Views: 647
Aug 6th 2017, 02:28 AM
21. ### 12cos(ot) + 5sin(ot) + 3cos(ot − pi/3) in the form Acos(ot + phi)

• Replies: 3
• Views: 517
Aug 5th 2017, 02:10 PM
22. ### Find the value

• Replies: 4
• Views: 571
Aug 4th 2017, 06:06 AM

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# how to provr a point is co planar

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