Solution Found!
Answer: Inverse sines and cosines: Without using a
Chapter 5, Problem 32RE(choose chapter or problem)
QUESTION:
Without using a calculator, evaluate or simplify the following expressions.
\(\cos ^{-1}\left(-\frac{1}{2}\right)\)
Questions & Answers
QUESTION:
Without using a calculator, evaluate or simplify the following expressions.
\(\cos ^{-1}\left(-\frac{1}{2}\right)\)
ANSWER:Step-by-step solution Step 1 We need to evaluate cos ( ) without using a calculator. 2