# Cedar House Gr10 Maths Evening - Part B Task 2

- Author:
- Ian Watkins

- Topic:
- Triangles, Trigonometry

Move point C up and down the dotted line and answer the questions on your worksheet.
What is the relationship between the co-ordinates of point C and the angle ?

The more observant among you may have noticed that line BC is a tangent to the unit circle (shown with a dashed line). This could be a clue...