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The value of sec^(2)60^(@)-tan^(2)60^(@)...

The value of `sec^(2)60^(@)-tan^(2)60^(@)` is……………..

A

`sin^(2)30^(@)-cos^(2)30^(@)`

B

`sin^(2)30^(@)+cos^(2)30^(@)`

C

`tan^(2)45^(@)+cot^(2)45^(@)`

D

`sin^(2)60^(@)+cos^(2)30^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • The value of (cos 30^(@)+isin 30^(@))/(cos 60^(@)-isin 60^(@)) is equal to

    A
    `i`
    B
    `-i`
    C
    `(1+sqrt(3)i)/(2)`
    D
    `1-(sqrt(3)i)/(2)`

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