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Q67: <span class="ql-formula" data-value="\left( - \frac { 1
Q90: <span class="ql-formula" data-value="\frac { \tan 175 ^
Q93: <span class="ql-formula" data-value="\begin{array}{l}( \mathrm { f }
Q120: <span class="ql-formula" data-value="\sin ( 4 \theta )
Q166: <span class="ql-formula" data-value="\cot ^ { 3 }
Q197: <span class="ql-formula" data-value="4 \sin 2 x \cos
Q268: <span class="ql-formula" data-value="\sec ^ { - 1
Q318: <span class="ql-formula" data-value="\left( \frac { 4 }
Q349: <span class="ql-formula" data-value="\frac { 1 - 2
Q362: 1) <span class="ql-formula" data-value="y =