Help i need the work and i don’t know if this answer is right

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

30 pts, will mark brainliestwhat is the period of the sinusoidal function? (picture 1)what is the minimum of the sinusoidal function? (picture2)what is the maximum of the sinusoidal function? (picture 3)

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq