Calculate the length of the diagonals of the rhombus if its side is long 5 and one of its internal angle is 80°.


u1 =  6.43
u2 =  7.66


Solution in text u__2 =

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Most natural application of trigonometry and trigonometric functions is a calculation of the triangles. Common and less common calculations of different types of triangles offers our triangle calculator. Word trigonometry comes from Greek and literally means triangle calculation. See also our trigonometric triangle calculator. Cosine rule uses trigonometric SAS triangle calculator.

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