来自孙江文的问题
若tanα+1tanα=103,α∈(π4,π2),则sin(2α+π4)的值为______.
若tanα+1tanα=103,α∈(π4,π2),则sin(2α+π4)的值为______.


若tanα+1tanα=103,α∈(π4,π2),则sin(2α+π4)的值为______.
若tanα+1tanα=103,α∈(π4,π2),则sin(2α+π4)的值为______.
∵tanα+1tanα