![首先用笔在草稿纸上,写出先决条件: cos54°](https://img.wumaow.org/upload/tu/286238888.jpg)
首先用笔在草稿纸上,写出先决条件:" sin36°=cos54° ".
![85)^θ/90°×γcosθ y=(0.85)^θ/90°×γsinθ cos54°](https://img.wumaow.org/upload/tu/286238889.jpg)
85)^θ/90°×γcosθ y=(0.85)^θ/90°×γsinθ
![up今年出了54套cos是什么体验7171ヽ(°▽°)ノ71 cos54°](https://img.wumaow.org/upload/tu/286238890.jpg)
up今年出了54套cos是什么体验7171ヽ(°▽°)ノ71
![cos0度等于多少cos90多少钱 cos54°](https://img.wumaow.org/upload/tu/286238891.jpg)
cos0度等于多少cos90多少钱
![(1)sin70°cos25°-sin20°sin25°, (2)cos24°cos36°-cos66°cos54 cos54°](https://img.wumaow.org/upload/tu/286238892.jpg)
(1)sin70°cos25°-sin20°sin25°, (2)cos24°cos36°-cos66°cos54
首先用笔在草稿纸上,写出先决条件:" sin36°=cos54° ".
85)^θ/90°×γcosθ y=(0.85)^θ/90°×γsinθ
up今年出了54套cos是什么体验7171ヽ(°▽°)ノ71
cos0度等于多少cos90多少钱
(1)sin70°cos25°-sin20°sin25°, (2)cos24°cos36°-cos66°cos54