if tan theta=a/b, show that (a sin theta+b cos theta)/(a sin theta-b cos theta)=(a²+b²)/(a²-b²)

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Q.1 (i) (ii) (iii)

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this is an introductory part of the trigonometry exercise 8.1 from NCERT. in this video we can discuss the concept about the trigonometry and why trigonometry is important for us.
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Why can't we divide the terms by sin theta....

rudraneelchowdhury

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