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If {0}{x}<{2}, then the number of real values of x, which sati

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If $0 \leq x < 2 π$ , then the number of real values of x, which satisfy the equation $cos x + cos 2 x + cos 3 x + cos 4 x = 0,$ is :

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Sebastian Discussed

0 \leq x < 2 π

, then the number of real values of x, which satisfy the equation

cos x + cos 2 x + cos 3 x + cos 4 x = 0,

is :

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Question Text	If $0 \leq x < 2 π$ , then the number of real values of x, which satisfy the equation $cos x + cos 2 x + cos 3 x + cos 4 x = 0,$ is :
Answer Type	Video solution: 1
Upvotes	150