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If (ax)/costheta+(by)/(sintheta)=a^2-b^2...

If `(ax)/costheta+(by)/(sintheta)=a^2-b^2` and `(axsintheta)/(cos^2theta)-(bycostheta)/(sin^2theta)=0`,.Prove that `(ax)^(2//3)+(by)^(2//3)=(a^2-b^2)^(2//3)`

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UNITED BOOK HOUSE-TRIGONOMETRY-EXERCISE
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  2. If (a^(2)-b^(2))sin theta+2 ab cos theta-(a^(2)+b^(2))=0, then prove t...

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  3. If (ax)/costheta+(by)/(sintheta)=a^2-b^2 and (axsintheta)/(cos^2theta)...

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  7. If n^2sin^2(alpha+beta)=sin^2alpha+sin^2beta-2sinalphasinbetaxxcos(alp...

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