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Sinx +cosx /Sinx -cosx

Answer» = (sinx/cosx)+(cosx/cosx)/(sinx/cosx)-(cosx/cosx= -(tanx+1)/-tanx+1= -(tanx + Tan45)/(1-tanx*1)=-(tanx+tanx)/(1-tanx. tan45) multiple. ÷d by minus=-{ tan(x-4t) }
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