AM-2479

Trigonometric models

A Math · Secondary 4 · Easy · Trigonometric models

A Ferris wheel has radius 10 m. The height

h

m of a seat above the ground at time

t

minutes is modeled by

h = 10\cos\left(\dfrac{\pi t}{15}\right) + 12

. Write down the values of the constants

a

and

b

in the form

h = a\cos\left(\dfrac{\pi t}{15}\right) + b

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