JEE MAIN - Mathematics Hindi (2021 - 25th February Evening Shift - No. 7)

यदि 0 < x, y < $$\pi$$ और cosx + cosy $$-$$ cos(x + y) = $${3 \over 2}$$ है, तो sinx + cosy का मान क्या है:
$${{1 + \sqrt 3 } \over 2}$$
$${{1 \over 2}}$$
$${{\sqrt 3 } \over 2}$$
$${{1 - \sqrt 3 } \over 2}$$

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