Question

find the length of the line AB formed by joining the points
Aca Coso, o) and Blo, a sino)
I.​

Answer 1

Answer:

AB = √(cos theta - 0) ^2 + (0-a sin theta) ^2

AB = √a^2(sin^2theta + cos^2theta)

AB = √ a^2

AB = a

its the answer...