All resources

Geometry & measuresCommon

Trigonometry:Missing sides, mixed

Sin, cos and tan mixed, in red, amber and green. Label the two sides, pick SOH, CAH or TOA, then multiply when x is on top and divide when it is on the bottom.

A free GCSE Foundation and Higher geometry and measures lesson on trigonometry: missing sides, mixed, spec code G20. It has a lesson deck to teach from with a visualiser, a worksheet with answers, a puzzle, an exit ticket, end of unit tests and a method video.

More in Pythagoras and trigonometry

Everything in Pythagoras and trigonometry