Question

iii) (cosx-cosy)2+ (sinx -siny)2 = 4cos?
(x + y)
2​

Answer 1

Answer:

Pantoprazole is used to treat damage from gastroesophageal reflux disease (GERD), a condition in which backward flow of acid from the stomach causes heartburn and possible injury of the esophagus (the tube between the throat and stomach) in adults and children 5 years of age and older.

Answer 2

Answer:

Pascal's law is a principle in fluid mechanics given by Blaise Pascal that states that a pressure change at any point in a confined incompressible fluid is transmitted throughout the fluid such that the same change occurs everywhere.