What similarities exist between the Sine function and Cosine function?
What about differences?

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 *_*

1. 3/6 or 1/22. 1/123. 1/84. 1/105. 2/12 or 1/6