sin(π/4-a)=5/13(0

来源:学生作业帮助网 编辑:作业帮 时间:2024/12/01 00:51:02
sin(π/4-a)=5/13(0
x)+8ߠoikoha`TMXzC z{IHH6B!̬P0t"$فQ%T

sin(π/4-a)=5/13(0
sin(π/4-a)=5/13(0

sin(π/4-a)=5/13(0
10/13
令TT/4-a=X a=TT/4-x 2a=TT/2-2X 0