sin^4cos^2x=(1/16)(1-cos 2x)(1-cos4x) work one 1

sin^4cos^2x=(1/16)(1-cos 2x)(1-cos4x)work one 1 side only!
1. 1 answer
2. asked by hayden
3. 511 views
Prove:cos4x = 8cos^4x - 8cos^2x + 1 My Attempt: RS: = 4cos^2x (2cos^2x - 1) + 1 = 4 cos^2x (cos2x) + 1 LS: = cos2(2x) =
1. 38 answers
2. asked by Anonymous
3. 2,750 views
sin^4 x = (3-4cos 2x + cos4x)/8prove on one side please!
1. 4 answers
2. asked by Rachel
3. 2,355 views
What am I doing wrong?Equation: sin2x = 2cos2x Answers: 90 and 270 .... My Work: 2sin(x)cos(x) = 2cos(2x) sin(x) cos(x) =
1. 1 answer
2. asked by Anonymous
3. 971 views
Prove thatcos4x=8cos^4x-8cos^2x+1 so I'm guessing you begin with the left side cos4x=cos2(2x) then im kinda lost
1. 2 answers
2. asked by Natash
3. 1,289 views
sin^4 x (cos^2 x)=(1/16)(1-cos 2x)(1-cos4x)work one 1 side only!
1. 0 answers
2. asked by Hayden
3. 361 views
Several questions from my homework, any are appreciated. Thanks!Solve: 1) sinx-tanx=0 2) 3csc^2x=4 Find all solutions within
1. 0 answers
2. asked by Michael
3. 548 views
Find all solutions to the equation in the interval [0, 2pi)cos4x-cos2x=0 So,this is what i've done so far: cos4x-cos2x=0
1. 1 answer
2. asked by Maria
3. 1,643 views
Write an equation for simple harmonic motion, given that the amplitude equals 4 inches and the period equals 2 seconds and the
1. 1 answer
2. asked by Kayla
3. 542 views
How can I find the exact value of 4cos(7ð/4)-2sin(ð/3) without using a calculator (show work)?
1. 1 answer
2. asked by Anonymous
3. 416 views