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COSINES
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The answer COSINES has 7 possible clue(s) in existing crosswords.
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Definitions of cosines in various dictionaries:
noun - ratio of the adj acent side to the hypotenuse of a right-angled triangle
noun - a trigonometric function of an angle
COSINES - In trigonometry, the law of cosines (also known as the cosine formula or cosine rule) relates the lengths of the sides of a triangle to the cosine of...
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Keep reading for additional results and analysis below.
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| Trig functions |
| Trig calculations |
| Secants’ reciprocals |
| Law of ___ (Pythagorean theorem generalization) |
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| Plural form of cosine. |
| the trigonometric function that is equal to the ratio of the side adjacent to an acute angle (in a right-angled triangle) to the hypotenuse. |
| The trigonometric function that is equal to the ratio of the side adjacent to an acute angle (in a right-angled triangle) to the hypotenuse. |
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In trigonometry, the Law of cosines (also known as the cosine formula or cosine rule) relates the lengths of the sides of a triangle to the cosine of one of its angles. Using notation as in Fig. 1, the law of cosines states* * * * * c * * 2 * * * = * * a * * 2 * * * + * * b * * 2 * * * − * 2 * a * b * cos * * γ * , * * * {\displaystyle c^{2}=a^{2}+b^{2}-2ab\cos \gamma ,} * where γ denotes the angle contained between sides of lengths a and b and opposite the side of length c. * The law of cosines generalizes the Pythagorean theorem, which holds only for right triangles: if the angle γ is a right angle (of measure 90° [degrees], or π/2 radians), then cos γ = 0, and thus the law of cosines reduces to the Pythagorean theorem: * * * * * * c * * 2 * * * = * * a * * 2 * * * + * * b * * 2 * * * . * * * {\displaystyle c^{2}=a^{2}+b^{2}.} * The law of cosines is useful for computing the third side of a triangle when two sides and their enclosed angle are known, and in computing the angles of a triangle if all three sides are known. |