If cos 45°=½ prove that
Sin22=√(2-√2)

List the 10 possible samples (without replacement) of size 3 3 that can be obtained from the population of five officials.

Ineed with this problem 21 show steps

To diagonalize an nxn matrix a means to find an invertible matrix p and a diagonal matrix d such that a pdp d p ap or [1 3 dh epap 3 let a=-3 -5 -3 3 3 1 step 1: find the eigenvalues of matrix a "2's" step 2: find the corresponding eigenvectors of a step 3: createp from eigenvectors in step 2 step 4 create d with matching eigenvalues.