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Tju [1.3M]
3 years ago
11

Simplify square root parenthesis 1 minus cosine theta parenthesis times parenthesis 1 plus cosine theta parenthesis divided by c

osine squared theta A. square root sine theta B. ±sin Θ C. ±cos Θ D. |tan Θ|
Mathematics
2 answers:
vekshin13 years ago
6 0
The answer is D. <span> |tan Θ|

</span>

√[(<span><span>1 − cos θ)(1+cos θ)] / </span><span><span>cos^2 </span>θ
</span></span>√(1 - cos^2 θ) /  <span>cos^2 θ
</span> <span> |tan Θ|
</span>

Thank you for posting your question. I hope you found what you were after. Please feel free to ask me more.

 

 

<span> </span>


MArishka [77]3 years ago
4 0

Answer:

option D is correct.

Step-by-step explanation:

we are given the function \sqrt{\frac{(1-\cos \theta )(1+\cos \theta )}{\cos ^2\theta }}

we know that the expansion is given by (1-\cos \theta )(1+\cos \theta )=1-\cos ^2\theta =\sin ^2\theta

so \sqrt{\frac{(1-\cos \theta )(1+\cos \theta )}{\cos ^2\theta }}=\sqrt{\frac{\sin ^2\theta }{\cos ^2\theta }}=\sqrt{\tan ^2\theta }=|\tan \theta |

Hence, option D is correct.

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