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Q44: <span class="ql-formula" data-value="8 \sin x \cos ^
Q54: <span class="ql-formula" data-value="\begin{array} { l } (
Q59: <span class="ql-formula" data-value="\cos \frac { 7 \pi
Q61: <span class="ql-formula" data-value="\left[ \begin{array} { r r
Q191: <span class="ql-formula" data-value="\csc ^ { 2 }
Q209: Two airplanes leave an airport at
Q215: <span class="ql-formula" data-value="y = \frac { 1
Q230: <span class="ql-formula" data-value="\mathrm { z } =
Q273: A steel company produces two types
Q286: <span class="ql-formula" data-value="\frac { 8 x +