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[See] Using the formula for the tangent of the sum of two angles, prove that tan (45+α)- tan (45-α)=2 tan

Question: Using the formula for the tangent of the sum of two angles, prove that

\[\tan \left( 45+\alpha \right)-\tan \left( 45-\alpha \right)=2\tan 2\alpha \]

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


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