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Statement:1 If theta is acute and 1+ cos...

Statement:1 If `theta` is acute and `1+ costheta = k`, then `sin (theta/2)` is `sqrt((2-k)/2)`. and Statement-2: `2sin^(2)(x/2)=1-cosx`.

A

Statement-1 is true, Statement-2 is true, Statement-2 is a correct explanation for statement-1

B

Statement-1 is true, Statement-2 is true, Statement-2 is not a correct expanation for statement-1

C

Statement-1 is True, Statement-2 is false

D

Statement-1 is False, Statement-2 is true

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The correct Answer is:
A
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