Simplify each of the following: `sin^(-1)((sinx+cosx)/(sqrt(2))),\ pi/4

y=sin^(-1)((sinx+cosx)/sqrt2)=?

Simplify each of the following: tan^(-1)((Sinx)/(1+Cosx))

Simplify: cos^-1((sinx+cosx)/(sqrt(2)))

cos^(-1)((sinx+cosx)/(sqrt(2))),-(pi)/(4) ltx lt(pi)/(4)

Simplify: cos^(-1)((sinx+cosx)/(sqrt(2))), pi/4

Simplify each of the following: cos^(-1)(3/5cosx+4/5sinx) , where -(3pi)/4lt=xlt=pi/4 sin^(-1)(5/(13)cosx+(12)/(13)sinx)

Simplify each of the following: cos^(-1)(3/5cosx+4/5sinx) , where -(3pi)/4lt=xlt=pi/4

Simplify : sin^(-1)((sinx+cosx)/(sqrt(2))),(-pi)/(4)ltxlt(pi)/(4)

Simplify: sin^(-1)((sinx+cosx)/(sqrt(2))) where - π/4 < x < π/4

Simplify: cos^(-1) ((sinx+cosx)/(sqrt(2))) , π/4 < x < (5π)/4