Cosine in a right triangle

Calculates sine, the opposite side, the hypotenuse, or the angle.

Calculates tangent, the opposite side, the adjacent side, or the angle.

Converts an angle from degrees to radians and back.

Calculates side c or angle C from c² = a² + b² - 2ab cos(C).

Calculates a side or angle from a / sin(A) = b / sin(B).

Converts an angle from radians to degrees.