现有用户?据一种href="//www.parkandroid.com/account/login/?next=/problems/from-login/sine-cosine/try-value-value/" 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="/problems/from-login/sine-cosine/try-value-value/">登录据/a>
如果据span class="katex"> 3.据/span> COS.据/span>θ.据/span>-据/span>罪据/span>θ.据/span>=据/span>3.据/span>1据/span>和据span class="katex"> 0.据/span>据据/span>θ.据/span>据据/span>2据/span>π据/span>那据/span>的价值据span class="katex"> 3.据/span> 罪据/span>θ.据/span>+据/span>COS.据/span>θ.据/span>可以表示为据span class="katex"> 3.据/span>一种据/span> 。什么是值据span class="katex"> 一种据/span>还是据/span>
现有用户?据一种href="//www.parkandroid.com/account/login/?next=/problems/from-login/sine-cosine/try-value-value/" 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="/problems/from-login/sine-cosine/try-value-value/">登录据/a>
问题加载......据/p>
注意加载......据/p>
设置加载......据/p>