Janine is considering buying a water filter and a reusable water bottle rather than buying bottled water. will doing so save her money?

The trigonometric ratios sine and secant are reciprocals of each other

Tan198=asin164=? how to solve this? ?

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.