[填空题]
Alexandros monitors the tempera k;q,hm mwot: 9x2a3qzjo7jc+1gv k asp,3u u3turewcw 0mywpz 2e4.a k4/w zw5/numsr+1w during a particular day in Athens.
The table below shows some of his findings.
Based on his observations, Alexandros concludes that the temperature, T, in $^{\circ}C$, during the day can be modelled by the equation
T=asin(b(t−c))+d,0≤t≤24,where t is the elapsed time, in hours, since midnight.
1.Write down the value of:
(1)a;
(2)d.
2.Find the value of b. ≈
3.Find the smallest possible value of c, given c>0.
4.Find the time, in hours and minutes, when the temperature first reaches $35^{\circ}C$ during the day.
