Triangle trigonometry

The topic is divided into the following subtopics:

Triangles
Polygons
Circles

Triangles

Part I:

Computation of angle measures in a triangle where the angles satisfy the given condition
Relationships between sides and angles of a triangle
Properties of triangles, computational problems

Part II:

Trigonometric functions in a right triangle
Application problems solved using trigonometric functions
Law of sines and law of cosines

Part III:

More complex application problems

Polygons

Part I:

Computational problems on angles, lengths and areas

Square
Rectangle
Rhombus

Part II:

Computational problems on angles, lengths and areas

Trapezoid
Parallelogram
Regular polygons

Part III:

Computational problems on angles, lengths and areas

Deltoid (Kite)
Complex computational problems on angles, lengths and areas

Circles

Part I:

Inscribed and central angle

Part II:

Angles between tangents
Polygons inscribed to a circle
Disc, annulus
Circular sector and circular segment

Part III:

Disc, circular sector and circular segment – complex problems