Let t, and t, be linear operators from r^3 to r^2 such that ti rotates a vector 90 degrees counterclockwise, and t3(z, v) = (3z +2y,エ+y). (a) find a formula for the composition (t10 td(z, v)。 [5] [5] (b) isthe matrix ( equal to the transpose of the matrix [ta。 ? why?

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin