How do you simplify Sin( cos^-1 (3/5))sin(cos1(35))?

1 Answer
Oct 31, 2016

sin(cos^-1(3/5)) = 4/5sin(cos1(35))=45

Explanation:

sin(cos^-1(3/5)) = sqrt(1 - cos^2(cos^-1(3/5))sin(cos1(35))=1cos2(cos1(35))

sin(cos^-1(3/5)) = sqrt(1 - (cos(cos^-1(3/5)))^2sin(cos1(35))=1(cos(cos1(35)))2

sin(cos^-1(3/5)) = sqrt(1 - (3/5)^2)sin(cos1(35))=1(35)2

sin(cos^-1(3/5)) = sqrt(1 - 9/25)sin(cos1(35))=1925

sin(cos^-1(3/5)) = sqrt(16/25)sin(cos1(35))=1625

sin(cos^-1(3/5)) = 4/5sin(cos1(35))=45