Question

 How to Calculate the Value of Sine,Cosine and Tangent Without a Calculator?

Answer Annoyed with remembering the trigonometry tables? You can calculate it with just a ruler and a semi-circle ruler that shows angles.
http://www.wikihow.com/Calculate-the-Value-of-Sine%2CCosine-and-Tangent-Without-a-Calcu...

Top Q&A For: How to Calculate the Value of Sine,Cosine and T...

How to Calculate Roots Without a Calculator?

There is a method for calculating roots that is somewhat similar to the process for doing long division. This algorithm was taught in school before the invention of the electronic calculator. The a... Read More »
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How to Calculate a Horizontal Tangent Line?

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