## Trigonometry (10th Edition)

40$^{\circ}$ and 50$^{\circ}$
3x - 5 + 6x - 40 = 90$^{\circ}$ 9x - 45$^{\circ}$ = 90$^{\circ}$ 9x = 135$^{\circ}$ x = 15$^{\circ}$ 3x-5= 40$^{\circ}$ and 6x-40= 50$^{\circ}$