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stapel (Elite Member)
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# Forum: Geometry and Trig

1. ### Sticky: Read Before Posting!!

• Replies: 0
• Views: 25,773
Ted
02-21-2006, 12:22 AM
1. ### Determining the numbers sides a regular polygon with has

• Replies: 3
• Views: 115
Yesterday, 04:23 PM
2. ### Simple Trig Proof: prove that sin^4θ-cos^4θ=1-2cos^2θ.

• Replies: 3
• Views: 249
11-13-2018, 11:25 AM
3. ### Find x where sin(x) gives the same result when expressed in radians or degrees.

• Replies: 2
• Views: 208
11-04-2018, 11:48 PM
4. ### Help! Finding a set of percentages based on bisecting a cylinder?

• Replies: 3
• Views: 199
11-04-2018, 07:30 PM
5. ### true/false question: If f is odd, with period p, then ​f(-t + 2p) = f(t).

• Replies: 1
• Views: 223
pka
11-01-2018, 07:47 PM
6. ### Finding the coordinates of triangle vertices given midsegment

• Replies: 3
• Views: 211
10-31-2018, 05:43 PM
7. ### Skyscraper: difference in width of base, top floor, using plumb lines & Earth's diam.

• Replies: 7
• Views: 383
10-30-2018, 05:41 PM

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