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# Forum: Geometry and Trig

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

• Replies: 0
• Views: 24,378
Ted
02-21-2006, 12:22 AM
1. ### Polygon on graph

• Replies: 1
• Views: 61
Yesterday, 10:27 PM
2. ### trigonometric identities

• Replies: 2
• Views: 68
06-14-2018, 09:46 AM
3. ### Considering the problem of putting n points in the surface of a sphere.

• Replies: 2
• Views: 122
06-12-2018, 09:01 PM
4. ### Surface of paraboloid

• Replies: 2
• Views: 148
06-10-2018, 11:54 AM
5. ### double angle identities: sin2x=2sinxcosx=2sinxcosx/cosxsec^2x•cosxsec^2x

• Replies: 2
• Views: 139
06-09-2018, 02:38 PM
6. ### Triangle geometry: Let △ABC be a triangle. Let AD and CE be its internal bisectors, w

• Replies: 2
• Views: 192
06-06-2018, 09:11 PM
7. ### Given in circle b, measure of arc DCA = 316, find m<ACD

• Replies: 12
• Views: 538
06-01-2018, 06:02 PM
8. ### rectangle length 2X width, area equal to that of square w/ 12cm sides

• Replies: 7
• Views: 246
06-01-2018, 02:11 PM
9. ### Trigonometric-Identity Problem (Quick Question)

• Replies: 1
• Views: 135
06-01-2018, 07:26 AM

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