Math, asked by anjalidubey81, 10 months ago

cos inverse(cos7π/6)=?

Answers

Answered by Navnath007
16

Answer:

=

5π÷6. least value

Explaination:

cos^-1(cos(7pi/6))=cos^-1(cos(pi+pi/6))=cos^-1(-cos(pi/6))=cos^-1(cos(pi-pi/6))=cos^-1(cos(5pi/6))=5pi/6


Similar questions