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If 0^(@)ltthetalt180^(@) then sqrt(2+s...

If `0^(@)ltthetalt180^(@)` then
`sqrt(2+sqrt(2+sqrt(2+......sqrt(2(1+costheta)))))` there being 'n' number of 2's equal to

A

`2"cos"(theta/(2^(n)))`

B

`2"cos"(theta/(2^(n+1)))`

C

`2"cos"(theta/(2^(n-1)))`

D

`2"sin"(theta/(2^(n)))`

Text Solution

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The correct Answer is:
A
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