State true or false: The period of sinx function is `2pi`

State true or false: The period of cosx function is 2pi

State True or False: The period of tanx function is 2pi

State as true or false: The integral of a function is not unique.

State whether it is true or false. The derivative of an even function is always an even function.

State True or False .There is no function which is its own derivative.

State true or false The number of births during a period in the population that are added to the initial density is called natality.

State True or False .There is no function whose derivative is log pi