Ayuda porfa doy coronita​

If the value of cos330°is√3/2 then find cos 165°.

Factor and solve to find roots x squared -x - 90 =0

The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.