Today the flashing light of Marblehead Lighthouse can be modeled by g ( x ) = sin(π/3) x . How many whole seconds are there between each flash? Enter only the number.

( Hint : Recall that the period of a sinusoidal function is 2π/ b .)

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asked by Bri
  1. for yours, comparing y = sin(bx) to y = sin(π/3) x
    what is the value of b ?

    Now put that in your 2π/b
    and go for it.

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    posted by Reiny
  2. What would be b?

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    posted by Bri
  3. huhhh?
    What is 2π ÷(π/3) ????

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    posted by Reiny
  4. 6 ok thanks

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    posted by Bri

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