How to write the expression as a single trigonometric function

The video tutorial discusses the concept of tangent, its notation, and the formula involving tangent of two angles. It highlights the importance of paying attention to signs in mathematical expressions and corrects a sign error. The tutorial concludes by explaining the reciprocal of tangent, which is cotangent.

What is the relationship between tangent and the expression '2X minus tangent of Y'?

How does the concept of the sum or difference of two angles relate to the tangent function?

Explain the significance of the sign in the numerator when discussing the tangent function.

What does the teacher mean by 'this is just the reciprocal of that' in relation to tangent?

What is the reciprocal of the tangent function, as mentioned in the discussion?