Multiple-Angle Equation...3

[nycmathguy]

Section 5.5

 

[MathLover1]

correction to sin(x)=-1/2 -> x=2 π n - π/6, x=2 π n + (7 π)/6

 

[nycmathguy]

correction to sin(x)=-1/2 -> x=2 π n - π/6, x=2 π n + (7 π)/6

All I can do is try. Mistakes lead to learning.