nicht angemeldet
Gunnar BittersmannHello out there!
Noch ’ne Möglichkeit, zur Lösung zu kommen:
cos 2x = cos²x - sin²x = 0
2x = ½π + kπ (k ∈ ℤ)
x = ¼π + ½kπ
See ya up the road,
Gunnar
--
“Remember, in the end, nobody wins unless everybody wins.” (Bruce Springsteen)
“Remember, in the end, nobody wins unless everybody wins.” (Bruce Springsteen)
Der Martin