यदि 7 cos^(2) theta + 5 sin^(2) theta - ...

यदि `7 cos^(2) theta + 5 sin^(2) theta - 6 = 0, (0^(@) lt theta lt 90^(@))` है, तो `sqrt(("cosec " theta + tan theta)/(sec theta - cot theta))` का मान ज्ञात करें।

A

`sqrt(2)-1`

B

`sqrt(3) +1`

C

`sqrt(3) - 1`

D

`sqrt(2) +1`

लिखित उत्तर

Verified by Experts

The correct Answer is:

D

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