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Chapter 6: Q. 9 (page 437)

Find the exact value of sin14掳2+cos14掳2-3

Short Answer

Expert verified

The exact value of the given function is :-2

Step by step solution

01

Step 1. Given information

sin14掳2+cos14掳2-3

We know about trigonometric properties, that

sin2鈭�+cos2鈭�=1

02

Step 2. Using trigonometric properties  

sin14掳2+cos14掳2=1

using this

1-3=-2

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