ssd
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Everything posted by ssd
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Need help choosing best Scientific Calculator
ssd replied to Weegsta's topic in Linear Algebra and Group Theory
Casio "ClassPad 300" is my choice. -
Not taking credit away from anybody, my intention was to inform about the nice page by NASA for those who have not seen it before.
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It is an incorrect theory as per NASA. Pls check the following link. http://www.grc.nasa.gov/WWW/K-12/airplane/wrong1.html
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Hint: Consider the equilateral triangle with base=10v, and height=3400. So, half base=5v. Check that tan(15)=5v/3400, v is in mt/sec, angle in degrees.
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Very nice and quite emphatic.
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Substitute, x= 1/z. Then, apart form the constants, the integral becomes of the form 1/sqrt(4/9-z^2). The final answer should be (1/3).arcCos{3/(2x)} +C [or, -(1/3).arcSin{3/(2x)} +C].