Question 5 of the Quantitative Reasoning Practice Test for the CLT

Question 5 Quantitative Reasoning Practice Test for the CLT

Which of the following is not equivalent to \(\sec{\left( \frac{5 \pi}{3} \right)}\)?

\[\frac{1}{\sqrt{1 - \sin^2{\left( \frac{5 \pi}{3} \right)}}}\]
\[\sec{\left( \frac{\pi}{3} \right)}\]
All of the answer choices are equivalent to \(\sec{\left( \frac{5 \pi}{3} \right)}\).
\[\frac{1}{\cos{\left( \frac{5 \pi}{3} \right)}}\]

Hint

Be alert for words like no, not, never, non-, don’t, cannot, except, false, fail(ure), incorrect(ly), less (likely), least (likely), smaller, smallest, slower, slowest, unlike, unlikely, out, without, but, worst, lower/lowest, avoid/avoided, inappropriate, unexpected, negative(ly), neither/nor, decrease, wrong, unless, abnormal contraindicated, against, inaccurate, unequal(ly), and other negative word forms in questions. These words change the purpose of your search for the correct answer.

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Question 5 - Quantitative Reasoning Practice Test for the CLT

Hint