作业帮已知sin(π-α)+sin(5π/2+α)=根号2/3(π/2
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/01 22:09:29
已知sin(π-α)+sin(5π/2+α)=根号2/3(π/2
已知sin(π-α)+sin(5π/2+α)=根号2/3(π/2
已知sin(π-α)+sin(5π/2+α)=根号2/3(π/2
sin(π-α)+sin(5π/2+α)=√2/3
sinα+sin(π/2+α)=√2/3
sinα-cosα=√2/3
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来源：学生作业帮助网 编辑：作业帮 时间：2024/05/01 22:09:29
已知sin(π-α)+sin(5π/2+α)=根号2/3(π/2
已知sin(π-α)+sin(5π/2+α)=根号2/3(π/2
已知sin(π-α)+sin(5π/2+α)=根号2/3(π/2
sin(π-α)+sin(5π/2+α)=√2/3
sinα+sin(π/2+α)=√2/3
sinα-cosα=√2/3