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Chapter 6: Q 104. (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 is2g胃.

Short Answer

Expert verified

The value of the function 2g胃is 1.

Step by step solution

01

Step 1. Given information.

Consider the given information 2g胃where localid="1646460246335" g胃=cos胃and the value of胃=60掳.

02

Step 2. Finding 2gθ.

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

Substitute the value in function 2g胃.

2g胃=2cos胃=2cos60掳=2脳12=1

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