Question

If cos2x – asinx = 2a – 7, then range of a is

Options :

  1. –2 ≤ a ≤ 0

  2. 2 ≤ a ≤ 6

  3. a ≥ 6

  4. 6 ≤ a ≤ 8

Show Answer

Answer :

2 ≤ a ≤ 6

Solution :

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