Question

If 3sina=5sinb then tan a+b/2/tan a-b/2=?

Answer 1

Step-by-step explanation:

$4721 \beta \gamma \cot( \cot( {y0247087 \\ 14 {0 \times \frac{?}{?} }^{?} \times \frac{?}{?} \times \frac{?}{?} \times \frac{?}{?} }^{?} ) )$

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