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27 Apr 2020
Using Inverse Matrices to Solve a System Express the system of linear equations as a matrix equation. Then solve the matrix equation by multiplying each side by the inverse of the coefficient matrix.
Using Inverse Matrices to Solve a System Express the system of linear equations as a matrix equation. Then solve the matrix equation by multiplying each side by the inverse of the coefficient matrix.
Keith LeannonLv2
24 May 2020
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[Hint: let 
and 
Solve the equation 
by taking the tangent of each side]
[Hint: Take the cosine of each side]
