With the sympy.rewrite () method, we can represent any mathematical function in terms of another function.
Syntax: expression. rewrite (function)
expression - It is mathematical expression which is to be represented by another function.
function - It is the mathematical function used to rewrite the given expression.
Returns: Returns a mathematical expression corresponding to the input in terms of specified function .
Example # 1:
Expression = tan (x) Expression in terms of sin (): 2 * sin (x) ** 2 / sin (2 * x)
Example # 2:
Expression = factorial (x) Expression in terms of gamma (): gamma (x + 1)