Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
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angle of elevation: A golf ball sits 2 m from the hole....
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galactus
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Not So Simple Harmonic Motion
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3
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skeeter
skeeter
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finding the equation of a locus: P is always half as far....
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2
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soroban
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What am I doing wrong? (finding the equation of a locus)
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7
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3K
Joyce
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1 in terms of the other
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3K
wjm11
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A particle moves in a straight line...
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1
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wjm11
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AIME 2004, #10: prob. that circle does not meet diagonal
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4
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3K
pka
pka
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Precalc: find a^3 when a = 8(cos(7pi/12) + i*sin(7pi/12))
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4
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3K
fraiha
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Conics - which is which? 9x^2 - 4y^2 = -144
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7
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3K
stapel
stapel
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Diagram of regular polygon and exterior point
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3
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2K
soroban
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Exact solution for tan2x-cotx=0 in the interval [0,2pie)
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4
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Mrspi
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Radian Measure: find theta, given sin(theta)=-sqrt(3)/2 and
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2
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5K
galactus
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trig question: if cos(theta)=1/9, theta acute, then find....
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6
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5K
stapel
stapel
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trig help
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9
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3K
jonboy
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Proof help! 1/cscx - 1/cotx = cscx + cotx
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2
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13K
Sid
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Focus of a parabola: y^2 = 12x
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5
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24K
confused0874
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Please help me solve: A skier sees the top of a tower....
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3
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4K
soroban
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Cuboids: drawing 1×2×3, 2×3×4, 2×4×6
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4
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16K
stapel
stapel
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Word Problem: finding area of track, length of lanes
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6
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30K
soroban
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Geometric proofs : a² -b²; (a+b)²
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3
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33K
CS227
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