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anonymous
 4 years ago
prove that the length of the perpendicular from the origin to the straight line joining the two points having coordinates ( a cos alpha, a sin alpha) and (a cos beta, a sin beta) is
a cos { ( alpha + beta)/2}.
anonymous
 4 years ago
prove that the length of the perpendicular from the origin to the straight line joining the two points having coordinates ( a cos alpha, a sin alpha) and (a cos beta, a sin beta) is a cos { ( alpha + beta)/2}.

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0First find equation of the line passing through ( a cos alpha, a sin alpha) and (a cos beta, a sin beta)

shamim
 4 years ago
Best ResponseYou've already chosen the best response.0may i know ur calculated eqution for those 2 given points\[(a \cos \alpha , a \sin \alpha) , (a \cos \beta ,a \sin \beta)\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0(y  asinα)=[(asinβasinα)/(acosβacosα)]*(xacosα)

shamim
 4 years ago
Best ResponseYou've already chosen the best response.0if u need more help then plz ask
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