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Question 35Asked in BPSC TRE 2.0 (2023) Language (Hindi & English) Class 6-8 (Re-exam)

The value of sin60° cos30° – cos60° sin30° issin60° cos30° – cos60° sin30° का मान है

sin60° cos30° – cos60° sin30° का मान है
  1. A11
  2. B1/21/2
  3. Csin30°sin30°
  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: (D) More than one of the aboveउपर्युक्त में से एक से अधिक

Explanation

sin60°cos30° - cos60°sin30° = sin(60° - 30°) = sin30° = 1/2. So both (B) 1/2 and (C) sin30° are correct.sin60°cos30° - cos60°sin30° = sin(60° - 30°) = sin30° = 1/2, इसलिए B और C दोनों सही हैं।

From BPSC TRE 2.0 (2023) Language (Hindi & English) Class 6-8 (Re-exam) — Previous Year Paper

This is question 35 of BPSC TRE 2.0 (2023) Language (Hindi & English) Class 6-8 (Re-exam) — 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.