If θ is in the first quadrant and cos θ = 3/5 , what is

Last updated: 7/11/2022

If θ is in the first quadrant and cos θ = 3/5 , what is sin(1/2 θ)? Determine your answer without using a calculator. Rationalize the denominator if necessary. 19 sin (1/2θ) = [?]