Answer:
,
, 
Step-by-step explanation:
The following trigonometric equation is simplified by using identities:



Whose solutions are:
, 
Answer:it’s the second one
Step-by-step explanation:
trust me

To solve the given system of equations for substitution you:
1. Solve in one of the equations a variable.
For the given options the one that is correct is solve the first equation for y, by adding x to both sides:
You just have to round the hundreds place and leave the rest the same so it is 3200.5641