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9 February, 11:09

What is the range of the function y = 4sin (θ - 30°) - 2?

A: - 6 ≤ y ≤ 2

B: - 2 ≤ y ≤ 4

C: - 2 ≤ y ≤ 6

D: - 30° ≤ y ≤ 30°

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Answers (1)
  1. 9 February, 11:12
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    The minimum value of sin (θ - 30) = - 1 and maximum is 1

    so minimum of y is - 4-2 = - 6 and maximum is 4-2 = 2

    Its A
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