Q34: <span class="ql-formula" data-value="\pi"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>π</mi></mrow><annotation encoding="application/x-tex">\pi</annotation></semantics></math></span><span
Q60: <span class="ql-formula" data-value="\cos \left( \sin ^ {
Q77: To approximate the speed of a
Q99: <span class="ql-formula" data-value="y=-\frac{1}{4} \cos \frac{\pi}{3} x"><span class="katex"><span
Q121: <span class="ql-formula" data-value="\cos 3 x = -
Q135: <span class="ql-formula" data-value="\cos \frac { 2 \pi
Q136: <span class="ql-formula" data-value="\log _ { 3 }
Q173: <span class="ql-formula" data-value="\tan ^ { - 1
Q175: <span class="ql-formula" data-value="639 ^ { \circ }"><span
Q191: The function <span class="ql-formula" data-value="\mathrm