1.If α+β+γ=2π\alpha + \beta + \gamma = 2\piα+β+γ=2π, then the system of equationsx+(cosγ)y+(cosβ)z=0,x + (\cos \gamma) y + (\cos \beta) z = 0,x+(cosγ)y+(cosβ)z=0,(cosγ)x+y+(cosα)z=0,(\cos \gamma) x + y + (\cos \alpha) z = 0,(cosγ)x+y+(cosα)z=0,(cosβ)x+(cosα)y+z=0(\cos \beta) x + (\cos \alpha) y + z = 0(cosβ)x+(cosα)y+z=0has:a.infinitely many solutionsb.a unique solutionc.no solutiond.exactly two solutionsLogin to continueOnly logged in users canattempt or see the solution.
