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Science & Mathematics - 25 August 2007

[Selected]: All categories Science & Mathematics

Agriculture · Alternative · Astronomy & Space · Biology · Botany · Chemistry · Earth Sciences & Geology · Engineering · Geography · Mathematics · Medicine · Other - Science · Physics · Weather · Zoology

Any exams for engineering students

2007-08-25 01:23:16 · 7 answers · asked by vanitha v 1 in Engineering

especially the one with the number that does not have a perfect square root. help me solve this equation. x exponent 2 is equal to 81

2007-08-25 01:11:42 · 8 answers · asked by jhing 1 in Mathematics

I got stucked after getting the next step: 2cos² 2x - 1 + cos x = 0, and I do not know how to continue..

Should I change the cos² 2x to (2cos² x -1)² ? But it looks more complicated..

2007-08-25 01:09:23 · 4 answers · asked by N.y.Rych 1 in Mathematics

Why do the stars appear to rotate around Polaris?

2007-08-25 01:08:27 · 5 answers · asked by HSIAO 1 in Astronomy & Space

2007-08-25 00:47:50 · 6 answers · asked by April 5 in Physics

2007-08-25 00:31:15 · 9 answers · asked by silversliver5000 2 in Physics

2007-08-25 00:21:57 · 9 answers · asked by Mathi's opinion 2 in Biology

where did they live mostly?

2007-08-25 00:20:15 · 5 answers · asked by spitis g 1 in Geography

2007-08-25 00:07:03 · 21 answers · asked by Anonymous in Weather

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