What is f(1/4) for this f(x) = sin^-1(2x - 1)?

Question 20

MediumOriginal question

Let $f(x) = \sin^{-1}(2x - 1)$ .

What is $f\left(\frac{1}{4}\right)$ for this $f(x) = \sin^{-1}(2x - 1)$ ?

- \frac{\pi}{3}

Correct answerYour answer

- \frac{\pi}{6}

Correct answerYour answer

\frac{\pi}{6}

Correct answerYour answer

\frac{7 \pi}{6}

Correct answerYour answer

Show the answer and explanation

CorrectNot quiteAnswer B

Correct answer: B

Worth noting

$\frac{\pi}{6}$ loses the sign of $-\frac{1}{2}$ .

Ten questions from Inverse Trigonometric Functions, at your own pace.

Ten questions from Inverse Trigonometric Functions, at your own pace.