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If cos (40° + A) = sin 30°, the value of A is:a)60°b)20°c)40°d)30°Correct answer is option 'B'. Can you explain this answer? for Class 10 2025 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about If cos (40° + A) = sin 30°, the value of A is:a)60°b)20°c)40°d)30°Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 10 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If cos (40° + A) = sin 30°, the value of A is:a)60°b)20°c)40°d)30°Correct answer is option 'B'. Can you explain this answer?.

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