Question

Answer it................​

Answer 1

Answer:

option b that is 1

Step-by-step explanation:

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Answer 2

$(1 + {tan}^{2} \theta)(1 + \sin\theta )(1 - \sin\theta )$

$= > {sec}^{2} \theta(1 - {sin}^{2} \theta)$

$= > {sec}^{2} \theta. {cos}^{2} \theta$

$= > 1$