Write the principal value of cos−1(−√32).
Answers
Answered by
0
Answer:
Hello , pratiksha
cos^-1{ (-3^1/2)/2} =
cos^-1 {-cos60°}=
cos^-1 {cos(180°-60°)}=
cos^-1 {cos120°} = 120° = 2pie/3 ans.
Thank you! !
join me on what's app for anymore
solutions of questions.
Similar questions