cos²(40°+α)+cos²(30°-α)+cos²(50°+α)×tan(60°-α)急急帮帮忙cos²(40°+α)+cos²(30°-α)+cos²(50°+α)×tan(60°-α)
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/19 19:24:16
![cos²(40°+α)+cos²(30°-α)+cos²(50°+α)×tan(60°-α)急急帮帮忙cos²(40°+α)+cos²(30°-α)+cos²(50°+α)×tan(60°-α)](/uploads/image/z/8573562-18-2.jpg?t=cos%26%23178%3B%2840%C2%B0%2B%CE%B1%29%2Bcos%26%23178%3B%2830%C2%B0-%CE%B1%29%2Bcos%26%23178%3B%2850%C2%B0%2B%CE%B1%29%C3%97tan%2860%C2%B0-%CE%B1%29%E6%80%A5%E6%80%A5%E5%B8%AE%E5%B8%AE%E5%BF%99cos%26%23178%3B%2840%C2%B0%2B%CE%B1%29%2Bcos%26%23178%3B%2830%C2%B0-%CE%B1%29%2Bcos%26%23178%3B%2850%C2%B0%2B%CE%B1%29%C3%97tan%2860%C2%B0-%CE%B1%29)
cos²(40°+α)+cos²(30°-α)+cos²(50°+α)×tan(60°-α)急急帮帮忙cos²(40°+α)+cos²(30°-α)+cos²(50°+α)×tan(60°-α)
cos²(40°+α)+cos²(30°-α)+cos²(50°+α)×tan(60°-α)
急急帮帮忙cos²(40°+α)+cos²(30°-α)+cos²(50°+α)×tan(60°-α)
cos²(40°+α)+cos²(30°-α)+cos²(50°+α)×tan(60°-α)急急帮帮忙cos²(40°+α)+cos²(30°-α)+cos²(50°+α)×tan(60°-α)
能再详细点吗?两个式子是连在一起的吗?