0^@ltthetalt90^@ के लिए, 1/(costheta)+(1...

`0^@ltthetalt90^@` के लिए, `1/(costheta)+(1)/(tantheta-sectheta)` का मान ज्ञात करें।

A

`-tan theta`

B

`- sec theta`

C

`sec theta`

D

`tan theta`

लिखित उत्तर

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The correct Answer is:

A

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