Total internal reflection Student activity Play

Transform a triangle into a rectangle Student activity Play

Transform a triangle into a rectangle Simulation Play

Transformation of a triangle Animation Play

Transformations Student activity Play

Triangle Animation Play

Triangles Class activity Play

Triangles Whiteboard presentation Play

Triangles in LOGO Student activity Play

Triangles – part I Student activity Play

Trigonal bipyramidal and octahedral geometry Animation Play

Trigonometric functions Animation Play

Trigonometric functions Student activity Play

Trigonometric functions Whiteboard exercise Play

Trigonometric functions Student activity Play

Trigonometric functions Student activity Play

Trigonometric functions in the coordinate system Student activity Play

Trigonometric functions of quadrantal angles Student activity Play

Trigonometric functions of quadrantal angles Whiteboard exercise Play

Trigonometric functions of the angle 120° Animation Play

Trigonometric functions of the angle 45° Whiteboard exercise Play

Trigonometric functions of the general angle Student activity Play

Trigonometric functions of the general angle Simulation Play

Trigonometric identity for tangent and cotangent Simulation Play

Trigonometric ratios in a right-angled triangle Student activity Play