The equation: (1 / 2) ^ x + sinx-1 = 0 has several solutions Is there a solution less than 0?

The equation: (1 / 2) ^ x + sinx-1 = 0 has several solutions Is there a solution less than 0?

Countless solutions, but no less than zero solution, the half and minus one together into a function, SiNx as a function, draw the image, look at the intersection distribution