For the three basic trig identities (sin, cos, tan) there are three more which act as their reciprocals (csc, sec, and cot respectively)
A reciprocal of x can be represented as 1/x.
Therefore, cscӨ can also be represented as the reciprocal of sinӨ...1/sinӨ.
In that case, our answer should always be true so long as we put in a real number for theta, because that's the domain of sinӨ, right? However, we also have to satisfy the domain of cscӨ, and the limitations become extremely obvious when you look at this reciprocal identity equation...sinӨ cannot be zero because it is impposible to divide by zero! Looking at the unit circle, any multiple of π will make sin<span>Ө = 0, so there's your answer.
D. All real numbers except multiples of pi</span><span>
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Answer:
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Step-by-step explanation:
i'm guessing this is asking what percentage it went up by? if so it went up by 190.47 percent. ***400,000 / 210,000 = 1.9047619***
<h2><em>9.07 > 9.008 is true </em></h2>
check the picture below.
make sure your calculator is in Degree mode.
