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sarm22:
solve cos (2x)+cos(4x)=0
HELP
 updated one year ago
 1 reply
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sarm22:
can someone help solve cos(2x)+cos(4x)=0
x is really just theta
 updated one year ago
 5 replies
 1 Medal

sarm22:
cos 4x  cos 2x = 0
Find all solutions to the equation in the interval [0, 2ð).
ð, pi/3 2pi/3 4pi/3 5pi/3, 0?
…
 updated one year ago
 No Medals Yet