Show that the distance between the points `P(acosalpha, asinalpha)` and `Q(a sin beta,a sinbeta)` is `2a sin(a-b)/(2)`

Show that the distance between the points P(acosalpha, asinalpha) and Q(a cos beta,a sinbeta) is 2a sin(a-b)/(2)

The distance between the point ( acosalpha,asinalpha) and ( acosbeta,asinbeta) is

The distance between the point ( acosalpha,asinalpha) and ( acosbeta,asinbeta) is

The distance between the points ( a cos alpha, a sin alpha ) and ( a cos beta, a sin beta ) is

Distance between the points A(acosalpha, "asin alpha) and B(acosbeta," asinbeta) is equal to

The distance between the points (a cos alpha,a sin alpha) and (a cos beta,a sin beta) where a> 0

The distance between the points (a cos alpha,a sin alpha) and (a cos beta,a sin beta) where a>0

What is the distance between the points P(m cos2 alpha,m sin2 alpha) and Q(m cos2 beta,m sin2 beta)

The distance between the points (a cos alpha, a sin alpha) and (a cos beta, a sin beta) is a) 2|sin((alpha-beta)/(2))| b) 2|a sin((alpha-beta)/(2))| c) 2|a cos((alpha-beta)/(2))| d) |a cos((alpha-beta)/(2))|

Find distance PQ between the points P ( a cos alpha, a sin alpha) and Q ( a cos beta, a sin beta) .