If z = 2(cos95 - isin95)
find z^2

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

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?