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Chapter 6: Q.92 (page 396)

ifcot胃=-2findcot胃+cot胃-蟺+cot胃-2蟺

Short Answer

Expert verified

The value ofcot胃+cot胃-蟺+cot胃-2蟺is-6

Step by step solution

01

Given information

We are givencot胃=-2

02

Use periodicity property of trigonometric function cotθ+π=cotθ

We get,

cot胃+cot胃-蟺+cot胃-2蟺cot胃+cot胃+cot胃-蟺cot胃+cot胃+cot胃3cot胃=3(-2)=-6

03

Conclusion

The value ofcot胃+cot胃-蟺+cot胃-2蟺is-6

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