sin25π÷6+cos25π÷3+tan(-25π÷4)是怎么计算的?我比较笨,请写出详细过程,感谢各位回答者!在线等!
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/20 14:58:55
![sin25π÷6+cos25π÷3+tan(-25π÷4)是怎么计算的?我比较笨,请写出详细过程,感谢各位回答者!在线等!](/uploads/image/z/5192626-58-6.jpg?t=sin25%CF%80%C3%B76%EF%BC%8Bcos25%CF%80%C3%B73%EF%BC%8Btan%28%EF%BC%8D25%CF%80%C3%B74%29%E6%98%AF%E6%80%8E%E4%B9%88%E8%AE%A1%E7%AE%97%E7%9A%84%3F%E6%88%91%E6%AF%94%E8%BE%83%E7%AC%A8%2C%E8%AF%B7%E5%86%99%E5%87%BA%E8%AF%A6%E7%BB%86%E8%BF%87%E7%A8%8B%2C%E6%84%9F%E8%B0%A2%E5%90%84%E4%BD%8D%E5%9B%9E%E7%AD%94%E8%80%85%21%E5%9C%A8%E7%BA%BF%E7%AD%89%21)
sin25π÷6+cos25π÷3+tan(-25π÷4)是怎么计算的?我比较笨,请写出详细过程,感谢各位回答者!在线等!
sin25π÷6+cos25π÷3+tan(-25π÷4)是怎么计算的?
我比较笨,请写出详细过程,感谢各位回答者!在线等!
sin25π÷6+cos25π÷3+tan(-25π÷4)是怎么计算的?我比较笨,请写出详细过程,感谢各位回答者!在线等!
原式=sin(12*2π+π)÷6+cos(12*2π+π)÷3+tan【-(3*2π+1/4π)】
=0+(-1/3)+(-1)
=-4/3
sin25π/6+cos25π/3+tan(-25π/4)
sin25π÷6+cos25π÷3+tan(-25π÷4)是怎么计算的?我比较笨,请写出详细过程,感谢各位回答者!在线等!
计算:sin25π/6+cos25π/4+tan(-25π/4)+sin(-26π/3)
sin25π/6 + cos25π/3 + tan(-25π/4)这题怎么算?
求sin25π/6+cos25π/3+tan(-25π/4)的值?
计算,sin25π/6+cos25π/3+tan(-25π/4)
一道很基础的三角函数化简题sin25π/6+cos25π/3+tan25π/4 化简:
sin25π/6+cos25π/3+tan25π/4等于多少?
Sin25派/6+Cos25派/3+tan(-25派/4) 计算题
先估计结果的符号,再进行计算sin25π/6+cos25π/3+tan(- 25π/4)
sin25π/4+cos25π/3+tan(-25π/4)=
sin25派/6+cos25派/3-tan25派/4
sin25/6pai+cos25/3pai+tan(-25/4pai)
求值sin25π/6+cos25π/3+tan(-25π/4)+sin(-7π/3)×cos(-13π/6)-sin(-5π/6)×cos(-5π/3)
求值,sin25∏/6 cos25∏/3 tan(-4∏/3)
计算sin25∏/6+cos25∏/3+tan(-25∏/4)急用!
sin25π/6等于?
化简 sin(π/2+a)cos(π/2-a)/cos(3π/2-a)sin(3π/2+a)2) sin25π/6+cos25π/3+tan(-25π/4)