Solution Found!
In Exercises 14, evaluate the expression.cos-1 a - 4 5 b
Chapter 5, Problem 5.1.1.3(choose chapter or problem)
QUESTION:
In Exercises 1–4, evaluate the expression.
\(\cos ^{-1}\left(-\frac{4}{5}\right)\)
Questions & Answers
QUESTION:
In Exercises 1–4, evaluate the expression.
\(\cos ^{-1}\left(-\frac{4}{5}\right)\)
ANSWER:Step 1 of 2
This does not work out to a neat angle, so you have to use a calculator.