Question 119
HardOriginal questionMatch each expression in List I with its value in List II.
| List I | List II |
|---|---|
| A. | I. |
| B. | II. |
| C. | III. |
| D. | IV. |
Show the answer and explanation
CorrectNot quiteAnswer A
Correct answer: A
Explanation
with in ; with in .
with in ; with in .
Worth noting
Swapping the values of and forgets where 4 lies: it is between and , so the angle on with the same cosine is .
- Concept
- An inverse function applied to a function
- Typical timeTypical
- 150 s
- Your timeYours
- —
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