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Chapter 6: Q 103. (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 calculator.

Function is2f胃.

Short Answer

Expert verified

The value of the function2f胃is3.

Step by step solution

01

Step 1. Given information.

Consider the given information 2f胃where localid="1646460401007" f胃=sin胃and the value of胃=60掳.

02

Step 2. Finding 2fθ.

In the trigonometric standard angle the value of sin60掳=32.

Substitute the value in function 2f胃.

2f胃=2sin胃=2sin60掳=2脳32=3

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