The terminal side of an angle θ in standard position intersects the unit circle at
72
97
,
65
97
. what is sin(θ)?

ab will be equal to

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,