Add a minus sign in front of the x
80:56 because starting with 136 you subtract 56 and get 80. so therefore 80 is the number of songs he kept. the question also tells you that 56 is the number of songs deleted.
Answer:
theta = 0 theta = 180
Step-by-step explanation:
sin theta = 0
sin ^-1 (sin theta) =sin^-1( 0)
theta = 0 theta = 180 for the limits of theta between 0 and 360