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cosine    
n. 余弦

余弦

cosine
余弦

cosine
余弦

cosine
n 1: ratio of the adjacent side to the hypotenuse of a right-
angled triangle [synonym: {cosine}, {cos}]

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英文字典中文字典相关资料:


  • Trigonometry Formula Sheet — Mathwords
    Complete trig formula sheet — unit circle values, identities, inverse trig, law of sines cosines, and more Free printable reference for precalculus and calculus
  • Summary of trigonometric identities - Clark University
    Note that there are three forms for the double angle formula for cosine You only need to know one, but be able to derive the other two from the Pythagorean formula
  • Cosine Calculator
    Simply type the angle – in degrees or radians – and you'll find the cosine value instantly Read on to understand what is a cosine and to find the cosine definition, as well as a neat table with cosine values for basic angles, such as cos 0°, cos 30°, or cos 45°
  • Trigonometry, trigonometric functions, sin, cos, tan, cot - Math10
    The x -coordinate of P is called the cosine of A and is denoted by cos A; The y -coordinate of P is called the sine of A and is denoted by sin A; The number $\frac {\sin (A)} {\cos (A)}$ is called the tangent of A and is denoted by tan A; The number $\frac {\cos (A)} {\sin (A)}$ is called the cotangent of A and is denoted by cot A





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