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stapel (Elite Member)
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# Forum: Geometry and Trig

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

• Replies: 0
• Views: 26,039
Ted
02-21-2006, 12:22 AM
1. ### Is it possible to transform a polygon to graph knowing length of the sides?

• Replies: 1
• Views: 346
06-19-2018, 10:27 PM
2. ### trigonometric identities: cos2x=cos^2x-sin^2x=2cos^2x-1... Why is 2cos^2x-1 is used?

• Replies: 0
• Views: 145
06-16-2018, 01:54 AM
3. ### trigonometric identities: cos2x=cos^2x-sin^2x... now, why is cos^2x-sin^2x is used?

• Replies: 3
• Views: 319
06-14-2018, 08:48 PM
4. ### double angle identities: sin2x=2sinxcosx=2sinxcosx/cosxsec^2x•cosxsec^2x

• Replies: 3
• Views: 440
06-13-2018, 03:51 AM
5. ### Considering the problem of putting n points in the surface of a sphere.

• Replies: 2
• Views: 307
06-12-2018, 09:01 PM
6. ### Surface of paraboloid

• Replies: 2
• Views: 366
06-10-2018, 11:54 AM
7. ### Triangle geometry: Let △ABC be a triangle. Let AD and CE be its internal bisectors, w

• Replies: 2
• Views: 654
06-06-2018, 09:11 PM
8. ### Given in circle b, measure of arc DCA = 316, find m<ACD

• Replies: 12
• Views: 893
06-01-2018, 06:02 PM
9. ### rectangle length 2X width, area equal to that of square w/ 12cm sides

• Replies: 7
• Views: 525
06-01-2018, 02:11 PM
10. ### Trigonometric-Identity Problem (Quick Question)

• Replies: 1
• Views: 262
06-01-2018, 07:26 AM

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