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IF cos theta ne 0, and sec theta-1=(sqrt...

IF `cos theta ne 0, and sec theta-1=(sqrt2-1) tan theta` then `theta=`

A

`theta={(2npi)/3, n in Z}uu{2npi+(pi)/2, n in Z}`

B

`theta={2npi, n in Z}uu{2npi+(pi)/4, n inZ}`

C

`theta={(2npi)/5, n in Z}uu{2npi+(pi)/6, n in Z}`

D

`theta=:(2npi)/7, n in Z}uu{2npi+(pi)/3, n in Z}`

Text Solution

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The correct Answer is:
B
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