现有用户?据一种href="//www.parkandroid.com/account/login/?next=/practice/de-moivres-theorem-roots/" id="problem-login-link-alternative" class="btn-link ax-click" data-ax-id="clicked_login_from_generic_modal" data-ax-type="button" data-is_modal="true" data-next="/practice/de-moivres-theorem-roots/">登录据/a>
现有用户?据一种href="//www.parkandroid.com/account/login/?next=/practice/de-moivres-theorem-roots/" id="problem-login-link-alternative" class="btn-link ax-click" data-ax-id="clicked_login_from_problem_modal" data-ax-type="button" data-is_modal="true" data-next="/practice/de-moivres-theorem-roots/">登录据/a>
让据span class="katex"> Z.据/span>是一个复杂的数字据span class="katex-display"> Z.据/span>=据/span>2据/span> (据/span>COS.据/span>7.据/span>∘据/span>+据/span>一世据/span>罪据/span>7.据/span>∘据/span>)据/span>。据/span>然后据span class="katex"> Z.据/span>8.据/span>可以表示为据span class="katex"> R.据/span>(据/span>COS.据/span>α.据/span>∘据/span>+据/span>一世据/span>罪据/span>α.据/span>∘据/span>)据/span>, 在哪里据span class="katex"> R.据/span>是一个真实的数字和据span class="katex"> 0.据/span>≤.据/span>α.据/span>≤.据/span>9.据/span>0.据/span>。什么是值据span class="katex"> R.据/span>+据/span>α.据/span>还是据/span>
细节和假设据/strong>
一世据/span>是虚构的单位,在哪里据span class="katex"> 一世据/span>2据/span>=据/span>-据/span>1据/span>。据/p>
两个根据span class="katex">
F据/span>(据/span>X据/span>)据/span>=据/span>X据/span>2据/span>+据/span>2据/span>0.据/span>X据/span>+据/span>2据/span>0.据/span>0.据/span>可以用形式编写据span class="katex">
一种据/span>±据/span>B.据/span>一世据/span>。什么是据span class="katex">
B.据/span>-据/span>一种据/span>那据/span>假设据span class="katex">
B.据/span>>据/span>0.据/span>还是据/p>
细节和假设据/strong>
一世据/span>被定义为虚构单位,这样据span class="katex">
一世据/span>2据/span>=据/span>-据/span>1据/span>。据/p>
让据span class="katex"> Z.据/span>=据/span>COS.据/span>α.据/span>∘据/span>+据/span>一世据/span>罪据/span>α.据/span>∘据/span>是一个复杂的数字据span class="katex"> 0.据/span>据据/span>α.据/span>据据/span>2据/span>0.据/span>和据span class="katex"> Z.据/span>1据/span>5.据/span>=据/span>2据/span>1据/span>+据/span>3.据/span> 一世据/span>。据/span>什么是值据span class="katex"> α.据/span>还是据/p>
让据span class="katex">
一种据/span>+据/span>B.据/span>一世据/span>和据span class="katex">
C据/span>+据/span>D.据/span>一世据/span>是二次方程的两个根据span class="katex-display">
X据/span>2据/span>+据/span>2据/span>5.据/span>=据/span>0.据/span>那据/span>在哪里据span class="katex">
B.据/span>>据/span>D.据/span>。什么是值据span class="katex">
一种据/span>C据/span>-据/span>B.据/span>D.据/span>还是据/p>
细节和假设据/strong>
一世据/span>是满足的虚数据span class="katex">
一世据/span>2据/span>=据/span>-据/span>1据/span>。据/p>
让据span class="katex"> Z.据/span>=据/span>COS.据/span>α.据/span>+据/span>一世据/span>罪据/span>α.据/span>是一个满足的复杂数字据span class="katex"> 1据/span>2据/span>∘据/span>据据/span>α.据/span>据据/span>3.据/span>6.据/span>∘据/span>和据span class="katex"> Z.据/span>3.据/span>0.据/span>=据/span>1据/span>。据/span>如果据span class="katex"> Z.据/span>可以以极性形式表示为据span class="katex-display"> Z.据/span>=据/span>COS.据/span>α.据/span>∘据/span>+据/span>一世据/span>罪据/span>α.据/span>∘据/span>那据/span>什么是值据span class="katex"> α.据/span>(以度为单位)?据/p>
问题加载......据/p>
注意加载......据/p>
设置加载......据/p>