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Q14: <span class="ql-formula" data-value="\sin \alpha = \frac {
Q31: A straight trail with a uniform
Q92: <span class="ql-formula" data-value="y=\frac{1}{4} \sin (x+\pi)"><span class="katex"><span class="katex-mathml"><math
Q124: <span class="ql-formula" data-value="\cos \left( x - \frac
Q130: <span class="ql-formula" data-value="8 \cos ^ { 2
Q131: <span class="ql-formula" data-value="\csc u - \sin u
Q151: <span class="ql-formula" data-value="y = 4 \cos \left(
Q228: <span class="ql-formula" data-value="r = 2 + 2
Q251: Find the accumulated value of an investment
Q331: The height of the water,