How do you determine the exact value for $[cos(pi/6)][csc(pi/3)]+sin(pi/4)$ ?

Question

5884 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2015-04-19T14:46:30

*Diagrams not drawn to scale.

enter image source here

Workings:

enter image source here

How do you determine the exact value for [cos(pi/6)][csc(pi/3)]+sin(pi/4)[cos(pi/6)][csc(pi/3)]+sin(pi/4)?