subject
Mathematics, 25.05.2021 22:20 kaliyab191

A student claims that they can use rules about the coordinates of point A to tell wether the cosine of the angle formed by the x-axis and the kind that connects the origin to point A will equal a positive or a negative value. Which of the following statements supports the student’s claim? A) if the y-coordinate is positive, the cosine will equal a positive charge.

B) if the x-coordinate are negative, the cosine will equal a negative value.

C) if the x-coordinate is in Quadrant l, the cosine will equal a negative value.

D) if the x- and y-coordinates are negative, the cosine will equal a positive value.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 18:30
Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?
Answers: 1
question
Mathematics, 21.06.2019 18:30
Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?
Answers: 1
question
Mathematics, 21.06.2019 21:30
Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3
Answers: 1
question
Mathematics, 21.06.2019 22:30
What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955
Answers: 1
You know the right answer?
A student claims that they can use rules about the coordinates of point A to tell wether the cosine...
Questions
Questions on the website: 13722361