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if sin x + sin^2 x = 1, then the value ...

if ` sin x + sin^2 x = 1`, then the value of `cos^2 x + cos^4x` is

A

0

B

2

C

1

D

3

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • If x=1/3 , then the value of cos(2cos^(-1)x+sin^(-1)x) = ____

    A
    `-sqrt(8/9)`
    B
    `-sqrt(1/3)`
    C
    `sqrt3/2`
    D
    `1/2`

  • The maximum value of sin x.cos x is ………….

    A
    `(1)/(4)`
    B
    `(1)/(2)`
    C
    `sqrt(2)`
    D
    `2sqrt(2)`

  • The minimum value of f(x)=3cos x + 4sin x is ………..

    A
    7
    B
    5
    C
    `-5`
    D
    4

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