Given that sin α = −3/5 , where α is in the fourth quadrant, and cos β = −12/13 , where β is in the third quadrant, find

Question

sin(α + β) and sin(α - β)

Answer 1

Draw and label a diagram

sin α = -3/5, cos α = ?

cos β = -12/13, sin β = ?

sin (α + β) and sin (α - β) have specific formulas.