subject
Mathematics, 23.10.2020 20:10 kamkamkab

Which expression is equivalent to cos(4x)? 2(2cos2(x) โ€“ 1)2 โ€“ 1
2cos2(2x) โ€“ 1
2cos2(x) โ€“ 4
4cos2(x)

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 13:30
What value of x is in the solution set of โ€“5x โ€“ 15 > 10 + 20x?
Answers: 1
question
Mathematics, 21.06.2019 18:30
Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles
Answers: 2
question
Mathematics, 21.06.2019 20:00
Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.
Answers: 1
question
Mathematics, 21.06.2019 22:00
Determine if the equation defines y as a function of x: 2xy = 1. yes o no
Answers: 2
You know the right answer?
Which expression is equivalent to cos(4x)? 2(2cos2(x) โ€“ 1)2 โ€“ 1
2cos2(2x) โ€“ 1
2cos2(x)...
Questions
Questions on the website: 13722362