Multiple-Angle Equation...1

[nycmathguy]

Section 5.5

Correction:

Answer:

pi/4 + 2pi•k

pi/2 + 2pi•k

 

[MathLover1]

x=pi/4+2pi *k and x= pi/2+2pi *k are correct, but there are more solutions

x=3pi/4+2pi *k
x=5pi/4+2pi *k
x=7pi/4+2pi *k
x= 3pi/2+2pi *k

 

[nycmathguy]

x=pi/4+2pi *k and x= pi/2+2pi *k are correct, but there are more solutions

x=3pi/4+2pi *k
x=5pi/4+2pi *k
x=7pi/4+2pi *k
x= 3pi/2+2pi *k

How did you find additional solutions?