This is in Calculus about CHAIN RULE AND ITS APPLICATIONS. Provide what is required. Provide clean and clear handwritten complete solutions. Minimize erasures and provide a clear picture of the solutions thank you and Godbless.

B. Solve what is asked. At a certain instant of time. the angle A of a triangle ABC is 60" and increasing at the rate of 5"/sec. the side AB is 10 cm and increasing at the rate of 1 cm/sec. and side AC is 16cm and decreasing at the rate of NI cm/sec. Find the rate of change of side BC. Given: Diagram: What is asked: Solution