Topic: Cosine Formula Triangle
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What is the formula to find the cosine of a triangle?
Cos(theta) =(adjacenct)/(hypotenuse). ChaCha On! Read More »
Source: http://www.chacha.com/question/what-is-the-formula-to-find-the-co...
What is the cosine formula to find part of a triangle
If ABC is a triangle with sides a = BC, b = CA, c = AB, then prove ... ...MORE... Read More »
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What is the formula for finding the angle of an triangle using la...
a 2 = b 2 + c 2 - 2bc cos(alpha) b 2 = a 2 + c 2 - 2ac cos(beta) c 2 = a 2 + b 2 - 2ab cos(gamma) There are all three formulas. Do not forget to use, arc-cos, when finding angles. Read More »
Source: http://wiki.answers.com/Q/What_is_the_formula_for_finding_the_ang...
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Cosine Formula Triangle
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A triangle is one of the basic shapes in geometry, which has three vertices or edges. Some of the formula for triangle are as follows; Area = base X height /2 and Perimeter = side1 + side2 + side3. For more information, look here: http://ww...
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cos(x) ≈ 1 - x²/2 + x⁴/4! - x⁶/6! + x⁸/8! - This is what your calculator does when calculating the cosine of an angle (in radians). If you're calculating it in degrees mode, then it converts degrees to radians first by multiplying by π/180,...
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Source: http://answers.yahoo.com/question/index?qid=20111105122213AAT5ZhP
http://en.wikipedia.org/wiki/Law_of_cosi… and http://en.wikipedia.org/wiki/Law_of_sine… all the formulas and explanations are here
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Source: http://answers.yahoo.com/question/index?qid=20061209183608AAfYWPP
Sum and Difference Formulas for Sine And C...
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so what you do is Soh Cah Toa, Cah for cosine so if you have a triangle you do the length of the adjacent divided by hypotenuse and the number you get (the rest depends on the calculator) you press 2nd or shift then cos button on your calcu...
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Source: http://wiki.answers.com/Q/What+is+the+cosine+inverse+in+trig
the law of sines is a better formula to apply in this case: sin A/a = sin B/b = sin C/c, where a is a side of the triangle, and A is the angle that spans the side a, and so forth. If the 60 degree angle is opposite 20 meters, then your comm...
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Source: http://answers.yahoo.com/question/index?qid=20090210111554AAAPpWQ
