Oblicz:
[tex]sin\frac{\pi }{6} +sin\frac{\pi }{4} +sin\frac{\pi }{2}[/tex]


Odpowiedź :

Odpowiedź:

sin(π/6) + sin(π/4) + sin(π/2) = sin(180°/6) + sin(180°/4) + sin(180°/2) =

= sin30° + sin45° + sin90° = 1/2 + √2/2 + 1 = (1 + √2)/2 + 1 =

= (1 + √2 + 2)/2 = (3 + √2)/2