Question 112
HardOriginal questionWhat is the value of ?
Show the answer and explanation
CorrectNot quiteAnswer D
Correct answer: D
Explanation
, so the angle is .
.
Worth noting
is , from subtracting where the minus sign turns it into an addition.
- Concept
- A function of a principal value
- Typical timeTypical
- 120 s
- Your timeYours
- —
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Ten questions from Inverse Trigonometric Functions, at your own pace.