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Dinesh Kumar Choudhary

· started a discussion

· 1 Months ago

please provide video solution

Question:
If \(\cfrac{sin A}{sin B}\) =p and \(\cfrac{cos A}{cos B}\) = q, then tan A = ?
Options:
A) \(\pm\cfrac{p}{q}\sqrt{\cfrac{q^2-1}{1-p^2}}\)
B) \(\pm\cfrac{q}{p}\sqrt{\cfrac{q^2-1}{1-p^2}}\)
C) \(\pm\cfrac{q}{p}\sqrt{\cfrac{1-q^2}{1-p^2}}\)
D) \(\pm\cfrac{q}{p}\sqrt{\cfrac{q^2+1}{1+p^2}}\)
Solution:

Ans : (a)


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