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:
Step-by-step explanation:
-4,5
Answer:
8125, im pretty sure this is right
Step-by-step explanation:
Rectangle , think about what cutting the cylinder in half would make the inside image look like !!
Different examples above! hope this helps c: