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cos[2Sin^(-1)sqrt((1-x)/2)]=...

`cos[2Sin^(-1)sqrt((1-x)/2)]=`

A

x

B

`1/x`

C

2x

D

3x

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-INVERSE TRIGNOMETRIC FUNCTIONS-PRACTICE SHEET (EXERCISE-I) (LEVEL - I STRAIGHT OBJECTIVE TYPE QUESTIONS)
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  19. cos[2Sin^(-1)sqrt((1-x)/2)]=

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