A(t)=415−sin( 2π (t+23.2)/92.8

PLEASE HELP IF YOU CAN im taking a test rn

Answer to your question: a. the fundamental theorem of algebra tells you that the equation will have two complex roots since the degree of the polynomial is 2. the roots are ​ x=1±i7√2 .number of roots=degree of polynomialhere, degree of polynomial is 2 so number of roots will be 2.hope it *_*