The number of roots of the equation cos 7 sin 4 1 that lie in the interval 0 2 is

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Latest KVPY Aptitude Question SOLUTION: The number of roots of the equation cos^7θ – sin^4θ = 1 that lie in the interval [0, 2π] is- (A) 2 (B) 3 (C) 4 (D) 8

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(#M40027240) KVPY question Mental Ability -2010 Keep an EYE

The number of roots of the equation cos^7θ – sin^4θ = 1 that lie in the interval [0, 2π] is-
(A) 2 (B) 3 (C) 4 (D) 8

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Latest KVPY Aptitude Question SOLUTION: The number of roots of the equation cos^7θ – sin^4θ = 1 that lie in the interval [0, 2π] is- (A) 2 (B) 3 (C) 4 (D) 8

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(#M40027240) KVPY question Mental Ability -2010 Keep an EYE

The number of roots of the equation cos^7θ – sin^4θ = 1 that lie in the interval [0, 2π] is- (A) 2 (B) 3 (C) 4 (D) 8

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The number of roots of the equation cos^7θ – sin^4θ = 1 that lie in the interval [0, 2π] is-
(A) 2 (B) 3 (C) 4 (D) 8