Fade.................! Maths trigonometry please help me!

[♫Prince Shah♫]

i want to know which formula i need to mug up that mostly comes in #as levels ???????????

 

[TheZodiac]

You need not worry about formulae, they are all in the formula sheet.
Practice how to prove equations which include; sinx, cosx and tanx, the graphs of these functions and lastly, how to find the basic angle etc.

 

[♫Prince Shah♫]

thankz !!!