All help much appreciated, sorry for poor set out of equation.
The height of water(h metres) on a pier pylon is given by:
h=2sin((pi/12)*t)+4, where t is given in hours after midday.What is the height of the water at:
a)2pm
b)6am the next morning
All help much appreciated, sorry for poor set out of equation.
The height of water(h metres) on a pier pylon is given by:
h=2sin((pi/12)*t)+4, where t is given in hours after midday.What is the height of the water at:
a)2pm
b)6am the next morning
2pm is 2 hours after midday so t=2
giving us
I'll leave you to do b, but remember at 6am the next morning it going to be 18 hours after midday