We use the following trigonometric identity to answer the question: sin^ 2 (theta) + cos^ 2 (theta) = 1 We substitute the values: sin ^ 2 (theta) + 0.73 = 1 We cleared: sin ^ 2 (theta) = 1-0.73 sin ^ 2 (theta) = 0.27 Answer: a possible value of sin ^ 2 (theta) is: c.0.26 (nearest option)
