Pls help me... Solve this problem
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cotton(x+π÷4)=cosx-sinx/cosx-sinx
1-tanxtanπ÷4/tanxtanπ÷4
1-tanx/1+thanx
1-sinx/cosx/1+5/4
cosx/cosx-sinx/cosx/cosx/cosx+since)since
Cosx-sinx/cosx+since.
1-tanxtanπ÷4/tanxtanπ÷4
1-tanx/1+thanx
1-sinx/cosx/1+5/4
cosx/cosx-sinx/cosx/cosx/cosx+since)since
Cosx-sinx/cosx+since.
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