Topic: Law Of Sin And Cos
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Answers to Common Questions
What is the formula for the law of cos sins?
The law of cosins is: Read More »
Source: http://www.chacha.com/question/what-is-the-formula-for-the-law-of...
What is the cos sin law ?
Use cosine law (not sine law) to find answer: c² = a² + b² - 2ab * cos(θ), where θ is angle opposite c In this case a = 25km, b = 15km, θ = 30° (angle between two paths) and c is the distance between two boats c² = 25² + 15² - 2(25)(15) * c... Read More »
Source: http://answers.yahoo.com/question/index?qid=20081008093059AA8V1hP
What is sin-cos?
Sin is sine. Cos is cosine. http://en.wikipedia.org/wiki/Sine_curve http://en.wikipedia.org/wiki/Cosine_curve Addenda In terms of trigonometric identities sin2A=2sinAcosA cos2A=cos2A-sin2A sin2A-cos2A=2sinAcosA-cos2A+sin2A Another useful id... Read More »
Source: http://wiki.answers.com/Q/What_is_sin-cos
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Answers to Other Common Questions
The sine and cosine were originally developed for use in surveying. They provided a way to measure the distance across lakes and around mountains. Soon they were found to be useful in navigation. The sine was used to calculate pi. When elec...
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Source: http://wiki.answers.com/Q/When_to_use_sin_and_cos
Not sure what the question means. These are abbreviations for the three primary trigonometric functions of angles: sine, cosine and tangent.
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Source: http://wiki.answers.com/Q/What_does_sin_cos_and_tan
Sine is opposite side of angle over hypotenuse. Cosine is adjacent side of angle over hypotenuse. Tangent is the opposite side over the adjacent side.
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Source: http://wiki.answers.com/Q/What_is_the_sin_cos_tan_trick
It's 1/2 of sin(2 theta) .
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Source: http://wiki.answers.com/Q/What_is_sin_theta_cos_theta
sin, cos and tan are used in trigonometry and to calculate angles in right angle triangles in a right angle triangle there is the hypotenuse, opposite and adjacent sin= O/H cos=A/H tan=O/A the slash being the dividing thingy, dont know wat ...
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Source: http://wiki.answers.com/Q/How_do_you_use_sin_tan_cos
They are sine, cosine and tangent, three trigonometric functions. There is a mnemonic device to help you remember what these functions represent. Imagine a right triangle (a triangle containing a 90 degree or right angle). We are interested...
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Source: http://wiki.answers.com/Q/What_is_Tan_Cos_Sin
sin58 = 0.8480480962 cos58 = 0.5299192642
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Source: http://wiki.answers.com/Q/What_is_the_value_of_sin58_and_cos58
