यदि sin theta + cos theta = a और sec the...

यदि `sin theta + cos theta = a` और `sec theta + cosec theta = b` तो -

A

`a-b=b^(2)`

B

`a + b =1`

C

`a^(2) -1 = 2(a)/(b)`

D

`a = (2b)/(b^(2)-1)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

C

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