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is a trigonometric ratio defined as the adjacent side divided by the hypotenuse.
numbers that are not real numbers, such as the square roots of negative numbers. Imaginary...
an irrational root, which is a root that cannot be written as a fraction in the form a...
an algebraic expression that consists of three terms and has the general form ax2...
a rule applied to variables to make an equation, so that there is only one answer (output value...