Use interactive diagrams to investigate the ratio of two sides of a right-angled triangle.
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Author: Fiona Moir
Topic: Mathematics
Use trig graphs to investigate the sin, cos and tan of angles in four quadrants.
Publisher: Texas Instruments UK
Editor: Christopher Rath
Topic: Mathematics
Areas of quadrilaterals and polygons
The areas of quadrilaterals, n sided shapes and regular polygons are found using the trig area formula.
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Author: David J C Elgin
Topic: Mathematics
Trig in a right angled triangle
Trig problems in right angled triangles are solved.
Publisher: Texas Instruments UK
Editor: Barrie Galpin
Author: David J C Elgin
Topic: Mathematics