Question

prove that
(\csc( \alpha ) - \csc( \beta ) ) ^{2} + ( \sin( \alpha ) - \sin( \beta ) )^{2} = 4 \sin^{2} \frac{ \alpha - \beta }{2}(csc(α)−csc(β))
2
+(sin(α)−sin(β))
2
=4sin
2

2
α−β
​

​​

Answer 1

Answer:

what is the question ????