On January 10th, a high tide reading at 4.20 am recorded the depth of the water at 4.15m. At 9.50 am a low tide reading recorded the depth of water as 2.61 m

How Can I write this into a sine question

I got most of it but how can I find the k value and the phase shift this is really consusing me please help me out

Question

On January 10th, a high tide reading at 4.20 am recorded the depth of the water at 4.15m. At 9.50 am a low tide reading recorded the depth of water as 2.61 m

How Can I write this into a sine question

I got most of it but how can I find the k value and the phase shift this is really consusing me please help me out

waheguru · Answer

Can anyone help me?

waheguru · Answer

I just need to know how to find the phase shift (horizontal translation) of the sine function representhing this situation

jdoe0001 · Answer

is that about right?

jdoe0001 · Answer

if we take 4:20am as our starting point, (0, 0), then there's no shift

waheguru · Answer

the trick here is to convert the hours to minutes, i got got the answer =)