What is the expansion of y = sin-1 x?
1
\(\ \frac{x^3}{6}\ -\ \frac{3}{40} x^5\ +\ \frac{5}{112}x^7\ -\ ......\)
2
\(\ \frac{x^3}{6}\ +\ \frac{3}{40} x^5\ +\ \frac{5}{112}x^7\ +\ ......\)
3
\(x\ -\ \frac{x^3}{6}\ +\ \frac{3}{40} x^5\ -\ \frac{5}{112}x^3\ +\ ......\)
4
\(x\ +\ \frac{x^3}{6}\ +\ \frac{3}{40} x^5\ +\ \frac{5}{112}x^7\ +\ ......\)