The sign of tan2140 is
Correct answer: B. -ive
- A. +ive
- B. -ive
- C. may be any
- D. none
Explanation
2140⁰ = 5×360⁰ +140⁰As tan 140 is in 2nd quadrant and tan is -ve in 2nd quad.Hence the answer is -ve
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Quantitative reasoning applies arithmetic and basic algebra to numerical relationships, including percentages, ratios, averages, fractions, proportions, profit and loss, rates, time, work and measurement. Questions focus on translating words into equations, choosing an efficient method and checking whether the result is numerically reasonable.
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