Join Sarthaks eConnect Today - Largest Online Education Community!
0 votes
81 views
in Sets, relations and functions by (54.4k points)

Find the principal value of cos-1(cos5)

1 Answer

+1 vote
by (50.4k points)
selected by
 
Best answer

We have cos-1(cos5)

= cos-1(cos(2π - 5))

= (2π - 5)

Related questions

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

...