# Find the Value Using the Unit Circle sec(pi divide four)

Find the value using the definition of secant.

Substitute the values into the definition.

First, multiply the numerator by the denominator's reciprocal.

Multiply by .

Multiply by .

Add and Clarify the denominator.

Multiply and .

Raise to the power of .

Raise to the power of .

Apply the power rule to Add exponents.

Add and .

Should be rewritten as .

Rewrite as .

Use the power rule when multiplying the exponents, .

Combine and .

The common factor should be canceled of .

Cancel the common factor.

First, divide by .

Solve the exponent.

The common factor should be canceled.

Cancel the common factor.

Divide by .

The result can be displayed in a variety of ways.

Exact Form:

Decimal Form:

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