Question

(sin 45° + cos 45°)find it

Answer 1

Answer:

$= \frac{1}{ \sqrt{2} } + \frac{1}{ \sqrt{2} } \\ = \frac{1 + 1}{ \sqrt{2} } \\ = \frac{2}{ \sqrt{2} } \times \frac{ \sqrt{2} }{ \sqrt{2} } \\ = \frac{2 \sqrt{2} }{2} \\ = \sqrt{2}$