Example problems VII — task. Mathematics CBSE, Class 10.

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If

$sin \ (A - B) = \frac{1}{2}$ ,

$cos \ (A + B) = \frac{1}{2}$ ,

$0^{\circ} < A + B \leq 90^{\circ}$ ,

$A > B$ , find

$A$ and

$B$ .

Answer:

$A =$

$i °$

$B =$

$i °$

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