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If x=cot75^(@), then find the value of s...

If `x=cot75^(@)`, then find the value of `sqrt(x)+(1)/(sqrt(x))`.

A

`sqrt(6)`

B

`sqrt(7)`

C

`sqrt(5)`

D

`sqrt(3)`

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The correct Answer is:
A
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ADVANCED MATHS BY ABHINAY MATHS ENGLISH-TRIGONOMETRY -EXERCISES (Multiple Choice Questions)
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  2. If x=tan15^(@), then find the value of x^(2)+(1)/(x^(2)).

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  4. If tan(A+B)=(1)/(2),tan(A-B)=(1)/(3), then find the value of tan2A.

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  5. If tan(A+2B)=(1)/(2),tan2(A-B)=(1)/(3), then find the value of angleA.

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  11. If secx+tanx=a, then find the value of sinx.

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  12. If cosec x -cot x = a, then find the value of cosx.

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  13. Find the value of (sinx+cosecx)^(2)+(cosx+secx)^(2)-(tan^(2)x+cot^(2...

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  14. Find the value of (sinx+cosecx)^(2)+(cos+secx)^(2)-(tanx+cotx)^(2),

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  15. Find the value of (sinx+cosecx)^(2)+(cosx-secx)^(2)-(tanx+cotx)^(2),

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  16. Find the value of 2(sintheta^(6)+cos^(6)theta)-3(sin^(4)theta+cos^(4...

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  17. Find the value of 2(sin^(6)theta+cos^(6)theta)-3(sin^(4)theta+cos^(4...

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  20. If sintheta+sin^(2)theta=1, then find the value of cos^(2)theta+cos^(4...

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