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stapel (Elite Member)
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# Forum: Geometry and Trig

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

• Replies: 0
• Views: 21,773
Ted
02-21-2006, 12:22 AM
1. ### Pulley sizes with fixed belt length

• Replies: 2
• Views: 201
10-13-2017, 04:41 PM
2. ### Spheres inside a cylinder

• Replies: 5
• Views: 271
10-12-2017, 10:30 PM
3. ### Problem with sin in a question: "Find all real numbers x such that sin(x) =√3/2"

• Replies: 1
• Views: 124
10-11-2017, 04:20 PM
4. ### Greatest area of a Quadrilateral, given constant diagonal length 10 inches

• Replies: 4
• Views: 394
10-10-2017, 02:20 PM
5. ### Find length of line segment, given P divides AB in ratio 2:3, Q in ratio 3:4, PQ=2

• Replies: 2
• Views: 219
10-10-2017, 12:45 PM
6. ### what if a problem just asks you to find the sin, cos, and tan of 30 degrees , 60 ...

• Replies: 6
• Views: 2,484
10-09-2017, 12:54 AM
7. ### Coordinate geometry: point E lies on AD such that angle AEB = 90 degrees

• Replies: 8
• Views: 673
10-09-2017, 12:53 AM
8. ### Find angles of triangle if AB+AD=CD and AC+AD=BC (very hard for me)

• Replies: 2
• Views: 216
10-07-2017, 11:43 AM
9. ### Rectangle inscribed in a circle (Find a simple criterion...)

• Replies: 7
• Views: 730
10-03-2017, 01:38 AM
10. ### Determine amplitude, frequency and initial phase: sin (t) − cos (t), etc.

• Replies: 2
• Views: 195
09-28-2017, 05:36 PM
11. ### Help completing square for conic

• Replies: 4
• Views: 302
09-26-2017, 03:18 PM

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