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cos 1° / 2 का मान बराबर है
  • a)
    √(1 + √2) / 2√2
  • b)
    √(2 – √2) / 2√2
  • c)
    √(1 + √2) / 2
  • d)
    √(2 – √2) / 2
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
cos 1° / 2 a)√(1 + √2) / 2√2b)√(2 &ndas...
1 + cos x = 2 cos2 x / 2
⟹ 1 + cos 450 = 2 cos2 22 10 / 2
⟹1 + 1 / √2 = 2cos2 22 10 / 2
⟹√2 + 1 / √2 = 2 cos2 22 10/2
⟹cos 22 10 / 2 = √2 + 1 / 2√2
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cos 1° / 2 a)√(1 + √2) / 2√2b)√(2 – √2) / 2√2c)√(1 + √2) / 2d)√(2 – √2) / 2Correct answer is option 'A'. Can you explain this answer?
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cos 1° / 2 a)√(1 + √2) / 2√2b)√(2 – √2) / 2√2c)√(1 + √2) / 2d)√(2 – √2) / 2Correct answer is option 'A'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about cos 1° / 2 a)√(1 + √2) / 2√2b)√(2 – √2) / 2√2c)√(1 + √2) / 2d)√(2 – √2) / 2Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for cos 1° / 2 a)√(1 + √2) / 2√2b)√(2 – √2) / 2√2c)√(1 + √2) / 2d)√(2 – √2) / 2Correct answer is option 'A'. Can you explain this answer?.
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