Question

please answer the above question......
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Answer 1

Answer:

Use sin(a+b) and solve it values are given others u can find using triangle law and solve it.

Then take sin on other side u will get the value.

Answer 2

$\huge\underline\bold\color{lightgreen}\mathfrak {answer}$

$\sin( \alpha ) = \frac{1}{2}$

$\cos( \beta ) = \frac{1}{2}$

Since sin30°=1/2 and cos60°=1/2

$\alpha = 30$

and

$\beta = 60$

Therefore,

$\alpha + \beta = 30 + 60$

$\alpha + \beta = 90$

Hope it helps

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