Which is correct?
Posted: Wed Jul 13, 2022 8:09 pm
a) sin 3x = 3sinx – 4sin3x
b) sin 3x = 4sinx – 3sin3x
c) sin 3x = 3sin3x – 4sinx
d) sin 3x = 4sin3x – 3sinx
b) sin 3x = 4sinx – 3sin3x
c) sin 3x = 3sin3x – 4sinx
d) sin 3x = 4sin3x – 3sinx