If x is known to be an acute angle, SiNx = 3-m / M + 1, cosx = 2m-1 / M + 1, then M =? Tana =? In a hurry

If x is known to be an acute angle, SiNx = 3-m / M + 1, cosx = 2m-1 / M + 1, then M =? Tana =? In a hurry

M = 1.5, Tana = 0.75, Sina square + cosa square = 1