Resource Portal
Here you can find STEM education resources.
Search and filter below, according to your preferences, to find free activities, videos or webinars to use.
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: Mathematics
Tags Trigonometry
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