Question

please help me in this question I'll mark you as a brainliest

Answer 1

HEY THERE

YOUR ANSWER

Cos alpha=1/2
and we know cos 60 =1/2

therefore alpha =60

tan beta=1/√3

we know tan 30=1/√3

therefore beta =30

therefore
sin(alpha+beta)
=sin 90
=1


hope it helps ^_^

Answer 2

$cos \alpha = \frac{1}{2} \\ \alpha ={60}^{o} \\ tan \beta = \frac{1}{ \sqrt{3} } \\ \beta = {30}^{o}$
so

$sin( \alpha + \beta ) = sin(30 + 60) \\ = sin {90}^{o} \\ = 1$
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