Sắp xếp và so sánh các tỉ số lượng giác
a) sin 240, cos350, sin 540, cos700, sin 780
b...
Mathematics, 02.11.2021 03:30, s108870
Sắp xếp và so sánh các tỉ số lượng giác
a) sin 240, cos350, sin 540, cos700, sin 780
b) tan 420, cot 610, tan 280, cot 790, tan 350
Answers: 1
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