Trigonometry close trigonometryThe study of sides and angles in triangles. can be used to find a missing angle in a right-angled triangle when two sides are known. An understanding of the three ...

Trigonometry can be used to find the length of a side in a triangle. Trigonometry close trigonometryThe study of sides and angles in triangles. can be used to find a missing side in a right-angled ...

THERE are different ways to put your brain to the test, from optical illusions that warp the way you see the world to tricky challenges that'll leave you scratching your head. This puzzle will test ...