If Cos θ = Square Root 2 Over 2 And 3 Pi Over 2 < θ < 2π, What Are The Values Of Sin θ And Tan θ?

If Cos Θ = Square Root 2 Over 2 And 3 Pi Over 2 < Θ < 2Π, What Are The Va… Read more If Cos θ = Square Root 2 Over 2 And 3 Pi Over 2 < θ < 2π, What Are The Values Of Sin θ And Tan θ?