Mark M. answered 07/27/22
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
a = -13π / 4
a = -5π / 4
a = 3π / 4
sin a = √2 / 2
cos-1 √2 / 2 = ?
Henry Z.
asked 07/27/22What is the exact value of cos−1(sina) where a=−13π/4 radians?
Mark M. answered 07/27/22
Mathematics Teacher - NCLB Highly Qualified
a = -13π / 4
a = -5π / 4
a = 3π / 4
sin a = √2 / 2
cos-1 √2 / 2 = ?
Get a free answer to a quick problem.
Most questions answered within 4 hours.
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.