Hi,
for 0 < θ < π sin θ = 1/2, θ = 30°
θ radians sin θ cos θ tan θ
0° 0 0 1 0
30° π/6 1/2 √3/2 √3/3
45° π/4 √2/2 √2/2 1
60° π/3 √3/2 1/2 √3
90° π/2 1 0 ─
sin θ = 1/2, θ = 30°
0r
following (cosx, sinx) Unit circle Summary maybe helpful to You in Your Studies
