Simplify cos(x^2)

Problem

cos(x2)

Solution

1. Identify the expression cos(x2)

2. Analyze the structure of the expression, noting that the exponent 2 is applied only to the variable x not to the entire cosine function.

3. Determine if any trigonometric identities or algebraic properties can be used to rewrite the expression in a simpler form.

4. Conclude that since there are no applicable identities for the cosine of a squared variable, the expression is already in its simplest form.

Final Answer

cos(x2)=cos(x2)

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