If sin α =
and cos β =
, then the value of (∝ + β) is
Given: sin α = 1/2 and cos β = 1/2
sin α = 1/2 = sin 30° and cos β = 1/2 = cos 60°
Comparing each sine and cosine angles respectively, we get
α = 30° and β = 60°
Thus, α +β = 30°+60° = 90°
10
If sin α = and cos β =, then the value of (∝ + β) is
Given: sin α = 1/2 and cos β = 1/2
sin α = 1/2 = sin 30° and cos β = 1/2 = cos 60°
Comparing each sine and cosine angles respectively, we get
α = 30° and β = 60°
Thus, α +β = 30°+60° = 90°