greygrasshopper989

Sandy invest $1500 into an account with 3.5% interest, compounded quarterly. How much money will be in the account after 8 years? 

Sin(270 + x) =? 

Then

and

where
c11 =  ,
c12=  ,
c21 =  ,
c22 =  ,
and
d11 =  ,
d12 =  ,
d13 =  ,
d21 =  ,
d22 =  ,
d23 =  ,
d31 =  ,
d32 =  ,
d33 =  .
The determinant of D is