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Chapter 6: Q 106. (page 381)

If f胃=sin胃and g胃=cos胃. Find the exact value of the function given below if 胃=60掳. Do not use a calculator.

Function isg-胃.

Short Answer

Expert verified

The value of the functiong-胃is-12.

Step by step solution

01

Step 1. Given information.

Consider the given function g-胃where g胃=cos胃and the value of胃is60掳.

02

Step 2. Finding g-θ.

In trigonometric standard angle the value of cos60掳=12.

Substitute the value in function g-胃.

g-胃=-g胃=-cos胃=-cos60掳=-12

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