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Chapter 6: Q. 73 (page 396)

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

csc(-蟺4)

Short Answer

Expert verified

The exact value of trigonometry expression is-2.

Step by step solution

01

Step 1. Given Information

Given that the trigonometry expression is csc(-蟺4).To find the exact value of trigonometry expression using even odd property.

02

Step 2. Even odd property

Cosecant is an odd function and it can be denoted as,

csc(-胃)=-肠蝉肠胃=-1蝉颈苍胃=-1y

The point in which on unit circle responds the angle can be substituted.

csc(-蟺4)=-csc蟺4=1-y=1-22csc(-蟺4)=-2

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