Question

1) cos²45°+tg²60° 2) 2cos²60° - sin²30° + sin60° ctg 60°

cb737c052ebe275c9185d377f9092c07.docx

Answer 1

Ответ:

1)(√2/2)2+(√3)2=2/4+3=3 1/2

2)2•(1/2)2-(1/2)2+√3/2+√3=2/4-1/4+3√3/2=1/4-3√3/2