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Equilateral triangle |
Equality is performed. Now we check the law of cosines in a right triangle.
Mathematics is very simple. Mathematicians make mathematics difficult. Attention! Residents of the European Union to visit the site is strictly forbidden - the evil cookie you eat with your computer! You have been warned.
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Equilateral triangle |
Positive and negative numbers were invented by mathematicians. The rules for multiplying and dividing positive and negative numbers were als...
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