Предмет: Алгебра, автор: zhanelsovet

a) cos 52- cos 26
b) sin 15 + cos 30

Ответы

Автор ответа: МаксімУкраїнець

0

a)cos 52=0.616
cos 26= 0.899
0.616-0.899= -0.283
b) sin 15= 0.259
cos 30= 0.866
0.259+0.866=1.125

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