Respuesta :

I thin the answer is A

Answer:

The expression simplifies to:

= [tex]\frac{\tan\theta}{\sin ^2 \theta+\cos ^2 \theta}=\tan\theta}[/tex]

Step-by-step explanation:

Given trigonometric expression:

[tex]\frac{\tan\theta}{\sin ^2 \theta+\cos ^2 \theta}[/tex]

Using identity :

[tex]\sin ^2 \theta+\cos ^2 \theta=1[/tex]

[tex]\frac{\tan\theta}{\sin ^2 \theta+\cos ^2 \theta}[/tex]

[tex]=\frac{\tan\theta}{1}[/tex]

The expression simplifies to:

= [tex]\frac{\tan\theta}{\sin ^2 \theta+\cos ^2 \theta}=\tan\theta}[/tex]