Answer:
a)
,
,
,
, b)
,
,
, 
Step-by-step explanation:
a) The equation must be rearranged into a form with one fundamental trigonometric function first:





Value of x is contained in the following sets of solutions:
, 
, 
b) The equation must be simplified first:




Value of x is contained in the following sets of solutions:
, 
, 
Answer:
4a^2 - 15b + 9b^2
Step by step explanation:
I think the answer would be 44,000,000 because if you roundthe 951 it goes to 1,000