Answer:
https://brainly.com/question/24997963 this will help you. You need to sq rt the added values then divide a+b by the square value. Keeping anything thats negative negative if negative is answer and set to = cos theta. then convert from cos theta = 1 cos will = 0. But if cos theta = decimal then ensure its positive number and that's your answer. Formula a+b/ sqrt a+b
Explanation:
