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Chapter 6: Q. 63 (page 396)

Use the even鈥搊dd properties to find the exact value of each expression. Do not use a calculator.

sec(-60o)

Short Answer

Expert verified

The exact value of trigonometric expression is 2.

Step by step solution

01

Step 1. Given Information

Given that the trigonometric function is sec(-60o).To find the exact value of trigonometric function using even odd property.

02

Step 2. Even odd property

Secant is an even function can be denoted as,

sec(-胃)=1cos(-胃)=1肠辞蝉胃=蝉别肠胃

The value can be substituted in the given function.

sec(-60o)=sec(60o)=1x=112sec(-60o)=2

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