SSC Exam > SSC Questions > A, B, C D , cos A + cos B + cos C + co...
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यदि चक्रीय चतुर्भुज के कोण A, B, C तथा D हों, तब cos A + cos B + cos C + cos D का मान होगा
- a)2 (cos A – cos C)
- b)2 (cos A + cos D)
- c)0
- d)1
Correct answer is option 'C'. Can you explain this answer?
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A, B, C D , cos A + cos B + cos C + cos D a)2 (cos A – ...
cos A + cos B + cos C + cos D
= (cos A + cos C) + (cos B + cos D)
= 2 cos A + C / 2 cos A – C/ 2 + 2 cos B + D / 2 cos B + D / 2
= 0
(∴0 तथा 0 चक्रीय चतुर्भुज के आमने सामने के कोण हैं।)
= (cos A + cos C) + (cos B + cos D)
= 2 cos A + C / 2 cos A – C/ 2 + 2 cos B + D / 2 cos B + D / 2
= 0
(∴0 तथा 0 चक्रीय चतुर्भुज के आमने सामने के कोण हैं।)
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A, B, C D , cos A + cos B + cos C + cos D a)2 (cos A – cos C)b)2 (cos A + cos D)c)0d)1Correct answer is option 'C'. Can you explain this answer?
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A, B, C D , cos A + cos B + cos C + cos D a)2 (cos A – cos C)b)2 (cos A + cos D)c)0d)1Correct answer is option 'C'. 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 A, B, C D , cos A + cos B + cos C + cos D a)2 (cos A – cos C)b)2 (cos A + cos D)c)0d)1Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A, B, C D , cos A + cos B + cos C + cos D a)2 (cos A – cos C)b)2 (cos A + cos D)c)0d)1Correct answer is option 'C'. Can you explain this answer?.
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