Question

The equation 2cos^-1 x + sin^-1 x ${\displaystyle =\frac{11\pi }{6}}$ has ____________.

विकल्प

• no solution

• only one solution

• two solutions

• three solutions

Answer 1

The equation 2cos^-1 x + sin^-1 x ${\displaystyle =\frac{11\pi }{6}}$ has no solution.