A) sin x = sin((2pi)/3)

a) sin x = sin((2pi)/3)
c) sin 2x=- 1 2 iff boxed subset ^ infty x = - 1/(n ^ 2) + t2R \\ Zx 2 &T1-( 1 2 ) matrix
b) sin(2x + 20 deg) = sin(- 60 deg)
d) sin(x + 45 deg) = - (sqrt(2))/2