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Minimum value of cos x + sin x is obtai...

Minimum value of cos x + sin x is obtained at

A

0

B

`-sqrt(2)`

C

`-1//2`

D

`-2`

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • Maximum value of sin x cos x is obtained at

    A
    `pi`
    B
    `pi//2`
    C
    `pi//3`
    D
    `pi//4`

  • Maximum value of cos x+ sqrt(3) sin x -2 is obtained at

    A
    `pi//6`
    B
    `pi//4`
    C
    `pi//3`
    D
    `pi//4`

  • The minimum value of 7 cos x- 24 sin x +5 is

    A
    30
    B
    `sqrt(2) `
    C
    `-20`
    D
    `-sqrt(2) `

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