姓名 ______________________日期 ____________得分 ____ / 12锐角三角函数（正弦、余弦、正切）练习锐角三角函数（正弦、余弦、正切） · 1–12把每个比写成最简分数。简单替换1.sin A = ACB91215简单替换2.tan A = ACB12513简单替换3.cos A = ACB435简单替换4.cos A = ACB94041简单替换5.tan A = ACB161220简单替换6.sin A = ACB435简单替换7.cos A = ACB12513简单替换8.cos A = ACB212029简单替换9.tan A = ACB121620简单替换10.cos A = ACB24725简单替换11.cos A = ACB51213简单替换12.tan A = ACB202129答案 — 锐角三角函数（正弦、余弦、正切）练习锐角三角函数（正弦、余弦、正切）1.352.1253.354.40415.436.457.5138.20299.3410.72511.121312.2021由 Math Sheet Studio 制作 · mathsheetstudio.com — 免费可打印数学练习卷