Question

 $<var>frac{1+sinx}{2cosx+sin2x}$\

Упростите

Answer 1

1 + sinx / 2 cosx + sin2x  = 1 + sinx / 2 cosx + 2sinxcosx = 1 + sinx / 2 cosx (1 + sinx) = 1 / 2cosx