Question

sin(x)+cos(x)=0.93
what is x?

Answer 1

square both sides

sin^2(x) + cos^2x + 2sin(x)cos(x) = 0.93^2
1+sin(2x) = 0.865
sin(2x) = - 0.135
2X = sin^-1(-0.135)

x = 1/2{sin^-1(-0.135)}