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Giải: rút gọn 1 + cot²x — Detailed Solution | AhaStep

Home›Math›Giải: rút gọn 1 + cot²x

📐 MathLevel 3 — 🟢 Basictrig_simplify👁 19 views⏱ 1 min read

Giải: rút gọn 1 + cot²x

📝 Problem

rút gọn 1 + cot²x

✨Detailed Solution

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1

1. 📝 Biểu thức: 1 + cot^2x

2

2. 🔄 Áp dụng đồng nhất thức: 1 + cot²x = 1/sin²x = csc²x

3

3. 🎯 Kết quả: 1/sin²x

4

Đáp án: 1/sin²x

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Solve: trig simplify 1 + cot²x