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Trig ratios in four quadrants
![06282010 Image011](/fileadmin/_processed_/9/0/csm_06282010Image011_32f40140d8.jpg)
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