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Solve 2 sin^(2) x-5 sin x cos x -8 cos^(...

Solve `2 sin^(2) x-5 sin x cos x -8 cos^(2) x=-2`.

Text Solution

Verified by Experts

The correct Answer is:
`n pi + tan^(-1)2 or n pi + tan^(-1)""(-(3)/(4))`
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