Question

If $Solution:$

It is given that $a \: sinB + B \: sinB = \ \textless \ br /\ \textgreater \ [tex] {c}^{2}$

$= > ({a \: cosB - b \: sinB}) = \sqrt{ {a}^{2} + {b}^{2} - {c}^{2}.}$
prove that:​

Answer 1

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