Expanding a binomial squared with trig function

The video tutorial covers the concept of binomial squared, emphasizing the importance of using the distributive property correctly. It demonstrates this with both algebraic expressions and trigonometric functions, specifically focusing on the sine function. The tutorial highlights the correct notation for squaring functions, ensuring clarity in mathematical expressions. It concludes by simplifying expressions and reinforcing the learned concepts.

What is the correct way to square a binomial like (X + 1)?

• (X + 1) * (X + 1)

• X + 1

• 2X + 1

• X^2 + 1^2

When multiplying sine of X by itself, what is the correct expression?

• sine of X plus sine of X

• sine of X squared

• sine squared of X

• 2 sine of X

Why is it important to use parentheses when squaring sine of X?

• To ensure the function is squared

• To simplify the expression

• To make it look neat

• To avoid squaring the angle

What does sine squared of X represent?

• Twice the sine of X

• The square root of sine of X

• The function squared

• The angle squared

How do you simplify the expression sine of X plus sine of X?

• sine squared of X

• 2 sine of X

• sine of X

• sine of X times sine of X