With some simplification,
cos⁻¹(x) - 5 cos⁻¹(x) - π/3 = 2π/3
becomes
-4 cos⁻¹(x) = π
or
cos⁻¹(x) = -π/4
However, the inverse cosine function has a range of 0 ≤ cos⁻¹(x) ≤ π, so there are no solutions to this equation.
Answer:
6 miles
Step-by-step explanation:
A mile is 5280 ft. When you divided 31,680 ft by 5280 ft you get six miles. Hope this helped!
Answer:
The answer is 36.20 :)
Step-by-step explanation:
Answer:
The answer is option B, x = 4.2