# Trigonometry Forum

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

1. ### trig four quadrants

• Replies: 3
• Views: 669
Dec 4th 2011, 05:16 PM
2. ### [SOLVED] Help with trig addition and subtraction formulas.

• Replies: 10
• Views: 685
Dec 4th 2011, 03:10 PM
3. ### double - angled formulas

• Replies: 1
• Views: 686
Dec 4th 2011, 01:52 PM

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5. ### Need some help with a trig equation

• Replies: 1
• Views: 463
Dec 4th 2011, 02:08 AM
6. ### Solution of triangles ambiguous case.

• Replies: 0
• Views: 791
Dec 3rd 2011, 07:55 PM
7. ### Challenging Trig Identity Questions

• Replies: 1
• Views: 7,115
Dec 3rd 2011, 01:07 PM
8. ### [SOLVED] Help solving trig equation

• Replies: 1
• Views: 475
Dec 2nd 2011, 06:06 PM
9. ### Trig Question

• Replies: 4
• Views: 430
Dec 2nd 2011, 04:10 PM
10. ### Equal Distances Within a Sphere

• Replies: 4
• Views: 505
Dec 2nd 2011, 09:43 AM
11. ### Two quick Trig question I am stuck on.

• Replies: 7
• Views: 921
Dec 2nd 2011, 01:10 AM
12. ### I can't transform this correctly.

• Replies: 2
• Views: 508
Dec 1st 2011, 10:03 PM
13. ### find all solutions for sec^2 (theta) - 4 = 0

• Replies: 1
• Views: 5,999
Dec 1st 2011, 07:00 PM
14. ### Help Verifying an Identity

• Replies: 7
• Views: 754
Dec 1st 2011, 06:41 PM
15. ### How do I solve this equation?

• Replies: 5
• Views: 839
Dec 1st 2011, 04:45 AM
16. ### find an angle from cosec and tan

• Replies: 3
• Views: 1,330
Nov 30th 2011, 05:49 PM
17. ### Convert (cos(x)^2) + (sin(x)^2) = 1 into 1 + (tan(x)^2) = (sec(x)^2)

• Replies: 3
• Views: 1,278
Nov 30th 2011, 12:43 PM
18. ### [SOLVED] cos(theta) = 1/ sec(theta) - why does my book not just say true?

• Replies: 3
• Views: 1,656
Nov 30th 2011, 12:02 PM
19. ### What are some good trigonometry textbooks?

• Replies: 0
• Views: 915
Nov 30th 2011, 07:08 AM
20. ### Find the unknown side of a triangle?

• Replies: 4
• Views: 551
Nov 29th 2011, 08:05 PM
21. ### Solve the Equation exactly over the interval [0, 2pi].

• Replies: 6
• Views: 1,535
Nov 29th 2011, 03:01 PM
22. ### Trig Application Problem

• Replies: 1
• Views: 1,553
Nov 29th 2011, 10:03 AM
23. ### Questions in the "show that" form for exams.

• Replies: 2
• Views: 524
Nov 29th 2011, 07:14 AM
24. ### ((1+sinx+icosx)/(1+sinx-icos))^n

• Replies: 5
• Views: 6,300
Nov 28th 2011, 08:06 PM
25. ### Exact value for ratio

• Replies: 2
• Views: 1,114
Nov 27th 2011, 09:40 PM
26. ### Finding sin of an angle given coordinates

• Replies: 1
• Views: 6,987
Nov 27th 2011, 07:18 PM
27. ### Secant, and cosecant angles

• Replies: 3
• Views: 797
Nov 27th 2011, 03:21 PM

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