为了在计算器上计算cos（x）： 输入输入角度。 在组合框中选择度数（°）或弧度（rad）的角度类型。 按 = 按钮计算结果。

Use our cos(x) calculator to find the cosine of 175 degrees - cos(175 °) - or the cosine of any angle in degrees and in radians.

Calculate cos(175) cos is found using Adjacent/Hypotenuse. Determine quadrant: Since 90 175 180 degrees it is located in Quadrant II. sin is positive. Determine angle type: 175 > 90°, so it is obtuse. cos(175) = -0.99619469778757. Special Angle Values

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The value of cos (175) is -0.99619…

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2017年2月17日 · The cos of 175 degrees is -0.99619, the same as cos of 175 degrees in radians. To obtain 175 degrees in radian multiply 175° by $\pi$ / 180° = 35/36 $\pi$. Cos 175degrees = cos (35/36 × $\pi)$.

cos(174°) = -0.994522 cos(175°) = -0.996195 cos(176°) = -0.997564 cos(177°) = -0.99863 cos(82°) = 0.139173 cos(83°) = 0.121869 cos(84°) = 0.104528 cos(85°) = 0.087156 cos(86°) = 0.069756 cos(87°) = 0.052336 cos(88°) = 0.034899 cos(89°) = 0.017452 cos(130°) = -0.642788

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余弦函数 cos(x)：余弦是角度的三角函数，通常定义为直角三角形内的锐角，即相邻边的长度与斜边的比值。它是正弦的补充。在下图中，cos（α） = b/c 和 cos（β） = a/c。