1) a=4, c=4^2=16sin(α) = a/c = 4/16 = 1/4
2) b=27, c=45sin(α) = b/c = 27/45 = 3/5
3) a=1, b=2c = √(a^2 + b^2) = √(1 + 2^2) = √5sin(α) = a/c = 1/√5 = √5/5
1) a=4, c=4^2=16
sin(α) = a/c = 4/16 = 1/4
2) b=27, c=45
sin(α) = b/c = 27/45 = 3/5
3) a=1, b=2
c = √(a^2 + b^2) = √(1 + 2^2) = √5
sin(α) = a/c = 1/√5 = √5/5