Question

Hello,

$If a \: sinB + B \: sinB = c$ then prove that $= > ({a \: cosB - b \: sinB}) = \sqrt{ {a}^{2} + {b}^{2} - {c}^{2}.}$
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Answer 1

Given

tana=17andsinb=110−−√

a,b∈(0,π2)

Show that

a+2b=π4

Answer 2

hi

I hope it will help you

please mark it as brain list answer :)