1.

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

Answer»

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

ANSWER :A


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