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If tan(alpha+theta)=ntan(alpha-theta) ,...

If `tan(alpha+theta)=ntan(alpha-theta)` , show that `(n+1)sin2theta=(n-1)sin2alphadot`

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To solve the problem, we start with the given equation: \[ \tan(\alpha + \theta) = n \tan(\alpha - \theta) \] ### Step 1: Rewrite the equation in terms of sine and cosine Using the identity for tangent, we can express the equation as follows: ...
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Solution ( Principle & General Solution ) || General form ( tan theta = tan alpha, cos theta = cos alpha , sin theta = sin alpha)

RD SHARMA-TRIGONOMETRIC RATIOS OF COMPOUND ANGLES-Solved Examples And Exercises
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