3 years ago

Which of the following could be a rational number?

Mathematics

1 answer:

Flura [38]3 years ago

5 0

Answer:

the sum of two irrational numbers

Step-by-step explanation:

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KIM [24]

Answer:

$\large\boxed{\theta=-\dfrac{\pi}{4}+k\pi\ or\ \theta=k\pi}\ for\ k\in\mathbb{Z}$

Step-by-step explanation:

$\tan^2\theta+\tan\theta=0\\\\\tan\theta(\tan\theta+1)=0\iff\tan\theta=0\ \vee\ \tan\theta+1=0\\\\\tan\theta=0\Rightarrow \theta=k\pi\ \text{for}\ k\in\mathbb{Z}\\\\\tan\theta+1=0\qquad\text{subtract 1 from both sides}\\\\\tan\theta=-1\Rightarrow\theta=-\dfrac{\pi}{4}+k\pi\ \text{for}\ k\in\mathbb{Z}$

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aev [14]

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Step-by-step explanation:

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IM BEGGING FOR HELP! I AM SO CONFUSED I WILL AWARD YOU BRAINLIEST ANSWER IF YOU ANSWER THIS QUESTION PLEASE!!!! SOS!! (P.S. sorr