software can be used for the following purposes:
Demonstration and explanation of
concept and meaning of the
basic trigonometric functions
– sine, cosine and tangent –
during the step by step animation using a unit circle and visual-dynamic tools.
Demonstration, explanation and practice of the
relations in a right-angled triangle
and their usage in problem
The Law of Sines, its meaning and use for problem solving, such
as finding missing sides and angles in any triangle.
The Law of Cosines, its meaning and use for problem solving,
such as finding missing sides and angles in any triangle.
The software provides the user full control of the animation:
Data can be accumulated in the Data Table.
animation can be activated for positive or negative values of
scales can be adjusted using units of degrees, multiples of π or
units can be added to the horizontal scale.