Would appreciate help on solving questions like this:
Write down the formula for cos(C+D)
Use the triangles to show that cos(C+D) = ...
Thanks.


Outcome 3 unit 2 ~ Help please
Started by castlehead, Nov 27 2011 02:46 PM
1 reply to this topic
1 user(s) are reading this topic
0 members, 1 guests, 0 anonymous users