what is the principal value sin-1(sin 3pi/5)? Share with your friends Share 1 Geetika Sharma answered this Dear student, Following is the answer: We know that sin-1(sinx) = x. So, sin-1(sin3π5) = 3π5 9 View Full Answer Sanjana Ajit answered this it would be of great help if someone helped me out with this thankyou 2
