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Which of the following is correct:
  • a)
    cos(A + B) = cosA cosB + sinA sinB
  • b)
    cos(A – B) = cosA – cosB
  • c)
    cos(A + B) = cosA + cosB
  • d)
    cos(A – B) = cosA cosB + sinA sinB
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Which of the following is correct:a)cos(A + B) = cosA cosB + sinA sinB...
This is a trigonometric formula of difference of TWO angles. You will find it in ncert class 11 mathematics text book(CHAPTER 3)
Community Answer
Which of the following is correct:a)cos(A + B) = cosA cosB + sinA sinB...
It is a formula yrr... D is correct
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Which of the following is correct:a)cos(A + B) = cosA cosB + sinA sinBb)cos(A – B) = cosA – cosBc)cos(A + B) = cosA + cosBd)cos(A – B) = cosA cosB + sinA sinBCorrect answer is option 'D'. Can you explain this answer?
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Which of the following is correct:a)cos(A + B) = cosA cosB + sinA sinBb)cos(A – B) = cosA – cosBc)cos(A + B) = cosA + cosBd)cos(A – B) = cosA cosB + sinA sinBCorrect answer is option 'D'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Which of the following is correct:a)cos(A + B) = cosA cosB + sinA sinBb)cos(A – B) = cosA – cosBc)cos(A + B) = cosA + cosBd)cos(A – B) = cosA cosB + sinA sinBCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following is correct:a)cos(A + B) = cosA cosB + sinA sinBb)cos(A – B) = cosA – cosBc)cos(A + B) = cosA + cosBd)cos(A – B) = cosA cosB + sinA sinBCorrect answer is option 'D'. Can you explain this answer?.
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