// calculating cosine double cosine = Math.cos(45); // calculating sine double sine = Math.sin(45); // calculating tangent double tangent = Math.tan(45); |

The `Math` class found in the `java.lang` package has methods for easily calculating all the trigonometric functions. In this phrase, we show how you can easily determine the cosine, sine, and tangent of a given angle. The `Math` class also has methods for calculating the arc cosine, arc sine, and arc tangent, as well as the hyperbolic sine, cosine, and tangent. Each of these methods accepts a single input parameter of double type and returns a result type of double.

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