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: 46
Step-by-step explanation:
10 (3 +1) + 6
30 + 10 + 6
46
Answer:
5
Step-by-step explanation:
B. .33 .3 .275 .25 yup, just gotta get over 20 characters