Simplify sec(0)^2

Problem

sec(0)

Solution

1. Identify the trigonometric value for sec(0) Since sec(x)=1/cos(x) we find cos(0)

2. Evaluate the cosine of 0

cos(0)=1

3. Substitute this value into the secant definition.

sec(0)=1/1=1

4. Square the result as indicated by the exponent in the original expression.

1=1

Final Answer

sec(0)=1

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