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Question 89Asked in BPSC TRE 3.0 (2024) Mathematics Class 9-10

The value of sin²30º + 2tan²60º – 5cos45º issin²30º + 2tan²60º – 5cos45º का मान है

sin²30º + 2tan²60º – 5cos45º का मान है
  1. A17/417/4
  2. B44
  3. C15/415/4
  4. DMore than one of the aboveउपर्युक्त में से एक से अधिक
  5. ENone of the aboveउपर्युक्त में से कोई नहीं
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Correct answer: (E) None of the aboveउपर्युक्त में से कोई नहीं

Explanation

1/4 + 2 × 3 − 5/√2 = 6.25 − 3.54 ≈ 2.71 (= 25/4 − 5√2/2), which matches none of the options.1/4 + 2 × 3 − 5/√2 = 25/4 − 5√2/2 ≈ 2.71, जो किसी विकल्प से मेल नहीं खाता।

From BPSC TRE 3.0 (2024) Mathematics Class 9-10 — Previous Year Paper

This is question 89 of BPSC TRE 3.0 (2024) Mathematics Class 9-10 — Previous Year Paper. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.