Question
Find the values of:(i) $\cos ^{-1}(\cos 2)$(ii) $\cos ^{-1}(\cos 3)$(iii) $\cos ^{-1}(\cos 5)$(iv) $\cos ^{-1}(\cos 7)$(v) $\cos ^{-1}(\cos 10)$
Step 1
So, if the input to $\cos ^{-1}$ is not in this range, we need to adjust it to be within this range. Show more…
Show all steps
Your feedback will help us improve your experience
Rukhmani Jain and 90 other Precalculus educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Find the value of $\cos \left(\frac{1}{2} \cos ^{-1}\left(\frac{3}{5}\right)\right)$.
Inverse Trigonometric Functions
Level I
Find the values of: $$ \begin{aligned} &\cos ^{-1}(\cos 1)+\cos ^{-1}(\cos 2) \\ &\quad+\cos ^{-1}(\cos 3)+\cos ^{-1}(\cos 4) \end{aligned} $$
Find the values of: $$ \cos ^{-1}(\sin (-5))+\sin ^{-1}(\cos (-5)) $$
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD