求sin25π/6+cos25π/3+tan(-25π/4)的值?
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/05 11:25:14
x){83|vr~1e]~O.g~OY-O$铪EΆ,{ mM7h+X
=@75MG6j-TZY^,iko
6yv uvX
求sin25π/6+cos25π/3+tan(-25π/4)的值?
求sin25π/6+cos25π/3+tan(-25π/4)的值?
求sin25π/6+cos25π/3+tan(-25π/4)的值?
25π/6=4π+ π/6 25π/3=8π+π/3 25π/4=6π+π/4 sinπ/6+cosπ/3+tan(-π/4)=sinπ/6 +cosπ/3+tan(-π/4)=1/2+1/2+(-1)=0
sin25π/6+cos25π/3+tan(-25π/4)
求sin25π/6+cos25π/3+tan(-25π/4)的值?
计算:sin25π/6+cos25π/4+tan(-25π/4)+sin(-26π/3)
sin25π/6 + cos25π/3 + tan(-25π/4)这题怎么算?
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?
先估计结果的符号,再进行计算sin25π/6+cos25π/3+tan(- 25π/4)
cos25πtdt (0~π/4)的微积分怎么求?f(0~π/4)cos25πtdt麻烦过程详细一点,这里的dt什么意思?原函数是(sin25πt)/25π吗?谢谢~!
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)
sin25=a,cos25=b,求(sin65+cos25)(sin25+cos65)旳值
求值,sin25∏/6 cos25∏/3 tan(-4∏/3)
计算sin25∏/6+cos25∏/3+tan(-25∏/4)急用!
Sin25派/6+Cos25派/3+tan(-25派/4) 计算题
sin25π/6等于?