change the double angles to single angles.
sin2t+sint=0
2sint*cost+sint=0
sint(2cost+1)=0
and solve.
find the solutions of the equation that are in the interval [0,2pi)
(a) sin2t+sint=0
(b)cost-sin2t=0
1 answer
(a) sin2t+sint=0
(b)cost-sin2t=0
1 answer