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[All Steps] Verify the identity 2 cos ^3x- cos x=((cos ^2x- sin ^2x))/(sec

Question: Verify the identity \(2{{\cos }^{3}}x-\cos x=\frac{\left( {{\cos }^{2}}x-{{\sin }^{2}}x \right)}{\sec x}\)

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Solution: The downloadable solution consists of 1 pages
Deliverable: Word Document


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