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Solution of cot^(2)theta+[sqrt(3)+1/(sqr...

Solution of `cot^(2)theta+[sqrt(3)+1/(sqrt(3))]cot theta+1=0` is

A

`n pi -(pi)/6, n pi -(pi)/3, AA n in Z`

B

`n pi +(pi)/6, n pi +(pi)/3, A n in Z`

C

`n pi +(pi)/12, AA n in Z`

D

`n pi +(pi)/4, AA n in Z`

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-TRIGNOMETRIC EQUATIONS-PRACTICE SHEET (EXERCISE -I LEVEL -I STRAIGHT OBJECTIVE TYPE QUESTIONS)
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  14. Which of the following is true for z=(3+2i sin theta)//(1-2 i sin thet...

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  15. If 3 tan ^(2) theta - 2 sin theta = 0 " then " theta =

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  16. If sin 3 theta - sin theta = 4 cos ^(2) theta - 2 " then " theta =

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