Question

please send me the solution ​

Answer 1

$\huge\underline\orange{Answer}$

$\large{\mathcal{\int\limits^{π/2}_{0}(sinxdx)}}$

$\large{ [-cosx]\limits^{π/2}_{0}}$

$\large{We\:know\:that\:π/2\:=90°}$

$\large{-cos90°-(-cos0°)}$

$\large{0 +1}$

$\huge{\boxed{\mathcal 1 + C}}$