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The range of f(x) = cos x - sin x is...

The range of `f(x) = cos x - sin x` is

A

`[-1, 1]`

B

`[-1, -1]`

C

`[-sqrt2, sqrt2]`

D

`[-2,-2]`

Text Solution

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The correct Answer is:
C
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DISHA PUBLICATION-TRIGONOMETRIC FUNCTIONS -EXERCISE-2
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  10. The range of f(x) = cos x - sin x is

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  14. What is the value of sin((5pi)/(12))?

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  16. The minimum value of the function f(x)=(sinx)/(sqrt(1-cos^2x))+(cosx)/...

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  17. The value of cosec 430 ^(@) + sqrt3 sec 470^(@) is :

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  18. In a triangle A B C , if cos A=(sinB)/(2sinC) , show that the triangle...

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  20. Given that (1+sqrt(1+y))tan y = 1+sqrt(1-y) Then sin 4y is equal to: ...

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