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If 2tanalpha=3tanbeta, then prove that ...

If `2tanalpha=3tanbeta`,
then prove that
then show that `tan(alpha-beta)=(sin2beta)/(5-cos2beta)`

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MBD PUBLICATION-TRIGONOMETRIC FUNCTIONS-QUESTION BANK
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  2. If tanbeta=(n^2sinalpha cdot cosalpha)/(1-n^2sin^2alpha) then show th...

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  3. If 2tanalpha=3tanbeta, then prove that then show that tan(alpha-bet...

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  4. If alpha,beta are acute angles and cos2alpha=(3cos2beta-1)/(3-cos2be...

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