Question

sin(beta+70degree)=cos(50degree-alpha)find the value of sin( alpha-beta)​

Answer 1

Answer:

0.5

Step-by-step explanation:

sin(β+70°)=cos(50°-α)

→sin(β+70°)=sin(90°-(50°-α))

→β+70°=40°+α

→α-β=30°

→sin(α-β)=0.5