What is a polynomial expression?

Step-by-step explanation:

a polynomial is an expression consisting of variables (also called indeterminates) and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponentiation of variables. An example of a polynomial of a single indeterminate x is x2 − 4x + 7.

Step-by-step explanation:

Given that:

and   i.e. lies in the interval to or .

To find: The possible values for x in the interval to = ?

First of all, let us learn something about .

In a right angled triangle the value of can be calculated as follows:

i.e.  is equal to the ratio of Perpendicular to Base in a right angled triangle.

We are given that:

So, the value of x in first quadrant is .

It is also known that value of tangent is positive in the first and third quadrant.

We are given a positive value of tangent here,

So, another value of

Hence, the correct answers are: