SOLUTION: Solve equation for x. Express your answer in degrees.
cos(x)=1/2-cos(2x)/2+cos^2(x)
I only got as far as:
cos(x)=1/2-cos(x)+cos^2(x)
Algebra ->
Trigonometry-basics
-> SOLUTION: Solve equation for x. Express your answer in degrees.
cos(x)=1/2-cos(2x)/2+cos^2(x)
I only got as far as:
cos(x)=1/2-cos(x)+cos^2(x)
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Question 606078: Solve equation for x. Express your answer in degrees.
cos(x)=1/2-cos(2x)/2+cos^2(x)
I only got as far as:
cos(x)=1/2-cos(x)+cos^2(x) Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! Solve equation for x. Express your answer in degrees.
cos(x)=1/2-cos(2x)/2+cos^2(x)
LCD:2
2cos(x)=1-cos(2x)+2cos^2(x)
2cos(x)=1-cos^2x+sin^2x+2cos^2(x)
2cos(x)=1-cos^2x+1-cos^2x+2cos^2(x)
2cosx=2
cos x=1
x=0
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