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Mama L [17]
3 years ago
14

How do I slove (-14)(-2)(+1)(-3)

Mathematics
1 answer:
tino4ka555 [31]3 years ago
5 0
Hopefully you know that the parentheses indicate that you should multiply the numbers. It really doesn’t matter what order you do it in because the answer will be the same no matter what. I would just multiply them however is simplest for you. I first did (-3)(+1)=-3 because multiplying anything by +1 will always stay the same. Next multiply (-3)(-2)=6. This is because 2x3=6 and a negative times a negative is always a positive. Next (6)(-14)=-84 because multiplying a positive by a negative always gets you a negative number. The answer is -84
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kolbaska11 [484]

Answer:

$\csc \left(\theta-\frac{\pi }{2}\right)=0.73$

Step-by-step explanation:

The identity you will use is:

$\csc \left(x\right)=\frac{1}{\sin \left(x\right)}$

So,

$\csc \left(\theta-\frac{\pi }{2}\right)$

$\csc \left(\theta-\frac{\pi }{2}\right)=\frac{1}{\sin \left(-\frac{\pi }{2}+\theta\right)}$

Now, using the difference of sin

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$\csc \left(\theta-\frac{\pi }{2}\right)=\frac{1}{-\cos \left(\theta\right)\sin \left(\frac{\pi }{2}\right)+\cos \left(\frac{\pi }{2}\right)\sin \left(\theta\right)}$

Solving the difference of sin:

$-\cos \left(\theta\right)\sin \left(\frac{\pi }{2}\right)+\cos \left(\frac{\pi }{2}\right)\sin \left(\theta\right)$

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Then,

$\csc \left(\theta-\frac{\pi }{2}\right)=-\frac{1}{\cos \left(\theta\right)}$

Once

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And, \text{sec}(\theta)=-0.73

$-\frac{1}{\cos \left(\theta\right)}=-\text{sec}(\theta)$

$-\frac{1}{\cos \left(\theta\right)}=-(-0.73)$

$-\frac{1}{\cos \left(\theta\right)}=0.73$

Therefore,

$\csc \left(\theta-\frac{\pi }{2}\right)=0.73$

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