12th Class
Mathematics
Sample Paper
Mathematics Olympiad - Sample Paper-2
question_answer
If\[si{{n}^{-1}}x+si{{n}^{-1}}\text{ }y=\frac{2\pi }{3}\text{ },\text{ }co{{s}^{-1}}\text{ }x\text{ }-\text{ }co{{s}^{-1}}\text{ }y=\frac{\pi }{3}\], then the number of values of (x, y) is_____.