AM-2598
Trigonometric models
A Math · Secondary 4 · Easy · Trigonometric models
The depth of water at a harbour, in metres, is given by
, where is the time in hours after midnight.
What is the maximum depth of the water?
, where is the time in hours after midnight.
What is the maximum depth of the water?
- 10 m
- 4 m
- 7 m
- -10 m
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