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Chapter 14: Q50. (page 768)

Find the exact value of the function cos405掳.

Short Answer

Expert verified

The exact value of given function is 12.

Step by step solution

01

Step 1. Write down the given equation.

The given function is cos405掳.

02

Step 2. Simplify the given function.

The value of trigonometric function cos405掳 is evaluated as:

cos405掳=cos360掳+45掳=cos45掳=12

03

Step 3. Conclusion.

The exact value of given function is 12.

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