Trig ratios in four quadrants

Use trig graphs to investigate the sin, cos and tan of angles in four quadrants.

Publisher: Texas Instruments UK

Editor: Christopher Rath

Topic:  Mathematik

Tags  Trigonometrie

Pupils are introduced to the four quadrants terminology. They then use the trig graphs ( sin, cos and tan ) to find how the sin, cos and tan of angles between 0 and 360 degrees relate to each other.

Finally there is a set of 12 multiple-choice questions to consolidate their understanding of the relationships

Publisher specific license