Trigonometric functions of quadrantal angles Whiteboard exercise Play

Trigonometric functions of the sum and difference of angles (1) Whiteboard presentation Play

Trigonometric functions of the sum and difference of angles (1) Class activity Play

Trigonometric functions of the sum and difference of angles (2) Class activity Play

Trigonometric functions of the sum and difference of angles (2) Whiteboard presentation Play

Trigonometric ratios – the angles of the triangle Whiteboard exercise Play

Two different effects of the application of one force Animation Play

Two isosceles triangles Whiteboard exercise Play

Two right-angled triangles Whiteboard exercise Play

Types of angles Animation Play

Types of parenchyma characteristic of different plants Whiteboard exercise Play

Various angles Whiteboard exercise Play

Vertical and supplementary angles Animation Play

Vertical and supplementary angles in a triangle Simulation Play

Vertical angles Whiteboard exercise Play

Vertical angles – revision Student activity Play

Water in different states Slideshow Play

Weighted means Student activity Play

Where will we see interference fringes? Simulation Play

Where will we see interference fringes? Whiteboard exercise Play

Where will we see interference fringes? Student activity Play

Why metamorphic rocks have different properties from the parent rocks Animation Play

Why two acids or bases of equal concentrations may have different pHs Student activity Play

Worked examples Student activity Play

X-ray CAT scan Slideshow Play