-3
votes
0answers
35 views

Write equation as a multinomial in the variables x and Sin[y] and extract the coeficient of x*Sin[y]^2 [closed]

I need help solving this problem. Thank you. (a*x^2 + b*x*Sin[y] + c*Sin[y])^2 + (a*Sin[y]^2 + b*x)^3 Write the above as a multinomial in the variables x and Sin[y] and extract the coeficient of ...
0
votes
3answers
361 views

Creating simple procedure for The Least-Square $m^\text{th}$ Degree Polynomials

I am CS major, taking Computational Numerical Analysis course. Instructor gave us freedom of choice, we were allowed to use anything or any computer language we picked, I picked Mathematica.This is my ...