计算三角函数的值,我计算器算不了,明天要交用计算机求COS 27°40′的值,精确到0.0001是A,0.8857 B,0.8856 C,0.8852 D,0.8851已知A是锐角,且 tan A=0.834,则下列角度中与A最接近的是A,40°14′ B,40°15′ C,40°8
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![计算三角函数的值,我计算器算不了,明天要交用计算机求COS 27°40′的值,精确到0.0001是A,0.8857 B,0.8856 C,0.8852 D,0.8851已知A是锐角,且 tan A=0.834,则下列角度中与A最接近的是A,40°14′ B,40°15′ C,40°8](/uploads/image/z/1076587-43-7.jpg?t=%E8%AE%A1%E7%AE%97%E4%B8%89%E8%A7%92%E5%87%BD%E6%95%B0%E7%9A%84%E5%80%BC%2C%E6%88%91%E8%AE%A1%E7%AE%97%E5%99%A8%E7%AE%97%E4%B8%8D%E4%BA%86%2C%E6%98%8E%E5%A4%A9%E8%A6%81%E4%BA%A4%E7%94%A8%E8%AE%A1%E7%AE%97%E6%9C%BA%E6%B1%82COS+27%C2%B040%E2%80%B2%E7%9A%84%E5%80%BC%2C%E7%B2%BE%E7%A1%AE%E5%88%B00.0001%E6%98%AFA%2C0.8857+B%2C0.8856+C%2C0.8852+D%2C0.8851%E5%B7%B2%E7%9F%A5A%E6%98%AF%E9%94%90%E8%A7%92%2C%E4%B8%94+tan+A%3D0.834%2C%E5%88%99%E4%B8%8B%E5%88%97%E8%A7%92%E5%BA%A6%E4%B8%AD%E4%B8%8EA%E6%9C%80%E6%8E%A5%E8%BF%91%E7%9A%84%E6%98%AFA%2C40%C2%B014%E2%80%B2+B%2C40%C2%B015%E2%80%B2+C%2C40%C2%B08)
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