Answer:
- 0.2588
Step-by-step explanation:
Theory: sin(a - b) = sin(a)*cos(b) - cos(a)*sin(b)
In this case a stands for 10 AND b stands for 25
Hence:
sin10cos25-cos10sin25 = sin (10 - 25) = sin (-15) = - sin(15) = - 0.2588
