U = sec x ( substitution )
u² + 2 u = 0
u ( u + 2 ) = 0
u = 0, or u = - 2
1/cos x = 0 1/cos x = - 2
(not accepted ) cos x = -1/2
x 1 = 2π/3, x 2 = 4π/3
Answer:
14.308-665544906576543214990
Convert everything to kg first
12g = 0.012kg
2500mg = 0.0025kg
0.23 tonnes = 230kg
so
2500mg, 12g, 0.23 tonnes, 4600kg
Answer:
the great
Step-by-step explanation:
usa united states
X=10 y= 8 i think
......................
