What is the range of the function ?
Answer and explanation
Correct answer: D.
- Step 1: The common domain of and is .
- Step 2: Using the identity for all , the function simplifies to .
- 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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