Was thinking of giving this to Year 10 soon to sum up what they have seen in trigonometry.
Goal: Find as many ways as possible to solve.
One exact solution needed.

Could be turned into a more or less rigorous exercise with bounds as well.

#MathsToday

Improvised hashtag:
#HowManyMathsWays

Challenging students to come up with some convoluted equalities after I showed them Grid Algebra (by Dave Hewitt), I wrote on the board what was dictated to me by a Year 7 student. Sorry for the squished 14. #MathsToday