Question

TRIG QUESTIONS

Answer 1

Which ones are giving you trouble?

Answer 2

@Crixpack #5 #6

Answer 3

Alright lets try 5, I'll give you a hint

Have you ever noticed that if you look at the graph of the sin and cos functions, that they are just the same graph but one is "shifted ahead" a bit?

What i mean is, do you know what \[\sin (\frac{ \pi }{ 2 } - x)\]
in terms of cos is?

Answer 4

cos(sin(x))