# Trigonometry

If you know that cos(γ) = sin (806°), what is the angle γ?

Correct result:

γ =  4 °

#### Solution:

$\gamma = \dfrac{ 180}{ \pi} \arccos( \sin(806 ^\circ )) = 4 ^\circ$

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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.
Try conversion angle units angle degrees, minutes, seconds, radians, grads.

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