Your Daily Experience of Math Adventures
Ενδιαφέρον.http://www.wolframalpha.com/input/?i=cos%5E2%28x%29+%2B+cos%5E2%28z%29-2cos%28x%29cos%28z%29cos%28x%2Bz%2Bpi%2F3%29+-%28cos%5E2%28x%29+%2B+cos%5E2%28pi%2F2-x-z%29-2cos%28x%29cos%28pi%2F2-x-z%29cos%285pi%2F6-z%29%29
Ενδιαφέρον.
ΑπάντησηΔιαγραφήhttp://www.wolframalpha.com/input/?i=cos%5E2%28x%29+%2B+cos%5E2%28z%29-2cos%28x%29cos%28z%29cos%28x%2Bz%2Bpi%2F3%29+-%28cos%5E2%28x%29+%2B+cos%5E2%28pi%2F2-x-z%29-2cos%28x%29cos%28pi%2F2-x-z%29cos%285pi%2F6-z%29%29