# Trigonometry Forum

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

1. ### what happens if raise an angle unit to a power?

• Replies: 8
• Views: 1,335
Sep 18th 2012, 04:50 PM
2. ### Known: point A, length line, angle (radian)... point b?

• Replies: 4
• Views: 1,355
Sep 17th 2012, 06:26 AM
3. ### find a real solution for a complex root

• Replies: 5
• Views: 1,021
Sep 16th 2012, 08:51 PM
4. ### limit of sin 2 A

• Replies: 1
• Views: 601
Sep 15th 2012, 05:10 PM
5. ### exact value of sin 75^0

• Replies: 2
• Views: 1,336
Sep 15th 2012, 04:25 PM
6. ### which of these are true for acute angles?

• Replies: 1
• Views: 523
Sep 15th 2012, 04:51 AM
7. ### Converting from Polar Form to Complex Form?

• Replies: 3
• Views: 913
Sep 14th 2012, 04:18 AM
8. ### Confusion with respect to a general angle

• Replies: 2
• Views: 751
Sep 14th 2012, 02:56 AM
9. ### De Moivre's Theorem

• Replies: 11
• Views: 1,389
Sep 13th 2012, 02:04 AM
10. ### Find the value R

• Replies: 10
• Views: 743
Sep 12th 2012, 10:10 PM
11. ### subtracting fractions with cotangent and cosecant?

• Replies: 2
• Views: 1,219
Sep 12th 2012, 04:23 PM
12. ### trig prove

• Replies: 1
• Views: 445
Sep 12th 2012, 08:26 AM
13. ### Parametric function involving trig

• Replies: 2
• Views: 462
Sep 12th 2012, 12:16 AM

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15. ### How to find rotation angle given output of cos?

• Replies: 1
• Views: 611
Sep 9th 2012, 06:09 PM
16. ### P is a point on a unit circle with coordinates (-0.37, 0.93)

• Replies: 4
• Views: 1,266
Sep 8th 2012, 08:36 AM
17. ### explain why these two expressions are equal

• Replies: 7
• Views: 1,223
Sep 7th 2012, 08:57 PM
18. ### Where can I find the formal way of this formula?

• Replies: 1
• Views: 525
Sep 6th 2012, 12:31 AM
19. ### Trigonometry Word Wheel

• Replies: 4
• Views: 1,143
Sep 5th 2012, 11:34 AM
20. ### If sin36=a, express each of the following in terms of a

• Replies: 4
• Views: 1,164
Sep 3rd 2012, 09:09 PM
21. ### Use the identity cos^2(theta) + sin^2(theta) = 1

• Replies: 2
• Views: 743
Sep 3rd 2012, 10:55 AM
22. ### Find angle between 0 and pi that's coterminal with 17pi/6?

• Replies: 5
• Views: 8,248
Sep 2nd 2012, 09:20 AM
23. ### Trig general solution

• Replies: 8
• Views: 1,068
Sep 1st 2012, 04:56 AM
24. ### Compound Angle Question

• Replies: 2
• Views: 662
Aug 31st 2012, 03:18 PM

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