What is the range of the function ?

Answer and explanation

Correct answer: D.

  1. Step 1: The common domain of and is .
  2. Step 2: Using the identity for all , the function simplifies to .
  3. Step 3: For , the range of is . Therefore, .
Answer
.
Why not the others: is the range of alone; is the range of alone; uses range of on .

Practise more Trigonometric functions and inverse trigonometric functions.

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