Question 1031264
Do you mean sin 2x, or sin^2 x?


Also, if cos x = 24/25, then sin x = 7/25 (since 0 < x < pi, so sin x is positive, and using the fact that sin^2 x + cos^2 x = 1), and it is impossible for sin 2x or sin^2 x to also equal 7/25. Same thing if cos x = 7/25.