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Q55: A photographer points a camera at a
Q56: Center at <span class="ql-formula" data-value="(
Q79: <span class="ql-formula" data-value="\tan \left[ \tan ^ {
Q109: <span class="ql-formula" data-value="r=\sin \theta \tan \theta"><span class="katex"><span
Q129: <span class="ql-formula" data-value="\frac { y ^ {
Q131: <span class="ql-formula" data-value="(x+2)^{2}=8(y-1)"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo stretchy="false">(</mo><mi>x</mi><mo>+</mo><mn>2</mn><msup><mo
Q144: <span class="ql-formula" data-value="\cos ( \alpha + \beta
Q167: <span class="ql-formula" data-value="x = t ^ {
Q179: <span class="ql-formula" data-value="\tan ^ { 2 }
Q215: <span class="ql-formula" data-value="6 \left( \cos 330 ^