[tex]\frac{1+sinx}{2cosx+sin2x}[/tex]\\
Упростите
1 + sinx / 2 cosx + sin2x = 1 + sinx / 2 cosx + 2sinxcosx = 1 + sinx / 2 cosx (1 + sinx) = 1 / 2cosx
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Answers & Comments
1 + sinx / 2 cosx + sin2x = 1 + sinx / 2 cosx + 2sinxcosx = 1 + sinx / 2 cosx (1 + sinx) = 1 / 2cosx