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2 years ago

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Nick has a 6-digit code he remembers it as three 2-digit numbers The first number is between 10 and 20. The second number is 3 t

imes the first number. The third number is 5 times the first number . All six digits are different. Work out the code

1 answer:

blondinia [14]2 years ago

3 0

Answer:

The answer is 18-54-90

Step-by-step explanation:

Take care

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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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Step-by-step explanation:

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