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Chapter 6: Q. 14 (page 395)

In problems 11-26,use the fact that the trigonometric function are periodic to find the exact value of each expression. Do not use a calculator.

sin390掳

Short Answer

Expert verified

The exact value is12.

Step by step solution

01

Step 1. Given information. 

We have:

sin390鈭�鈥�

02

Step 2. Find the exact value of trigonometric function.   

The function is sin390鈭�鈥�.

Formula used:

sin胃+2蟺=sin胃

Here, 胃=30掳

sin30掳+360掳=sin30掳=12

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Most popular questions from this chapter

For a circle of radius r, a central angle of u degrees subtends an arc whose length s iss=蟺180r胃 . Discuss whether this is a true or false statement. Give reasons to defend your position.

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Use a calculator to find the approximate value of each expression rounded to two decimal places.

cos14掳
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