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The principal solutions of sinx=(1)/(sqr...

The principal solutions of `sinx=(1)/(sqrt(2))` is

A

`-(pi)/(4)`

B

`-(3pi)/(4)`

C

`(3pi)/(4)`

D

`(5pi)/(4)`

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • The principal solution of sinx=(-1)/(sqrt(2)) is

    A
    `(pi)/(4)`
    B
    `(3pi)/(4)`
    C
    `-(7pi)/(4)`
    D
    `(7pi)/(4)`

  • The principal solution of sinx=(-1)/(2) is

    A
    `(7pi)/(6)`
    B
    `-(7pi)/(6)`
    C
    `(pi)/(6)`
    D
    `(5pi)/(6)`

  • The principal solution cosx=-(1)/(sqrt(2)) is

    A
    `(pi)/(4)`
    B
    `(3pi)/(4)`
    C
    `(7pi)/(4)`
    D
    `-(pi)/(4)`

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