diketahui sec Q = 5/3 .nilai sin Q =...

jawab

sec θ = 5/3 → cos θ = 3/5

sin θ = √(1 - cos²θ)  = √(1 - (3/5)²)
sin θ = √(1 - 9/25) = √(16/25)
sin θ = 4/5