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is a trigonometric rule used to calculate the length of a side or the size of an angle in a non right-angled triangle. The rule states that the square of any side equals the sum of the squares of the other two sides less twice the product of the other two sides and the cosine ratio of the angle between those two sides.
the amount (or future value) at the end of a specified period of time.
a function that produces the size of an angle, given one of the angle's trigonometric ratios: If...
a sequence with a constant second difference between consecutive terms has a quadratic general...
a circular graph that represents data as sectors of the circle.
a bar graph that compares two sets of data.