问题
填空题
利用计算器计算sin29.5°-cos58°30″+tan52°30′=______.(精确到0.01)
答案
原式≈(0.165)2-0.5225+1.303≈0.0272-0.5225+1.303≈0.81.
故答案为0.81.
利用计算器计算sin29.5°-cos58°30″+tan52°30′=______.(精确到0.01)
原式≈(0.165)2-0.5225+1.303≈0.0272-0.5225+1.303≈0.81.
故答案为0.81.
完形填空 | ||||
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