I think it is 8/17...
hope this helps!
sin(x) = 2cos(x)
tan(x) = 2
tan⁻¹[tan(x)] = tan⁻¹(2)
x ≈ 63.4
sin(2x) = sin[2(63.4)]
sin(2x) = sin(126.8)
sin(2x) ≈ 0.801
107.2×.26= 27.87 gallons
107.2 liters, .26 gallons per liter
Answer:
-15
Step-by-step explanation:
