Register
Prove that Cos4x=8Cosx -8Cosx​
140k views
25 votes
Prove that Cos4x=8Cosx -8Cosx​

User Lawrence Tierney
by
8.0k points

1 Answer

8 votes
Please see the image attached
Prove that Cos4x=8Cosx -8Cosx​-example-1
User Sabari
by
9.5k points
← Prev Question Next Question →

Related questions

User Sdvnksv
asked Mar 25, 2019 15.3k views
Show that the equation 3sinxtanx = 8 can be written as 3cox^2x + 8cosx - 3
Sdvnksv asked Mar 25, 2019
by Sdvnksv
8.0k points
1 answer
3 votes
15.3k views
User Luka Ramishvili
asked Nov 25, 2024 56.6k views
How 2cos²(2x)-1 = cos4x
Luka Ramishvili asked Nov 25, 2024
by Luka Ramishvili
7.9k points
1 answer
1 vote
56.6k views
User Cemal
asked Sep 17, 2024 171k views
Solve the equation cos4x+2sin3x−3cos2x−4sinx+2=0
Cemal asked Sep 17, 2024
by Cemal
8.5k points
1 answer
2 votes
171k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
Link Copied!