Question
Question: A function f(x) = \(f^{- 1}(17)\), α ≠ mπ is continuous at x = α then...
A function f(x) = f−1(17), α ≠ mπ is continuous at x = α then
A
f(α) = etanα
B
f(α) = ecotα
C
f(α) = e2cotα
D
f(α) = e2tanα
Answer
f(α) = ecotα
Explanation
Solution
f(α) = (1∞ form)
⇒ f(α) =