{"@context":"https://schema.org/","@type":"Quiz","dateCreated":"2024-05-13T11:30:32.117Z","dateModified":"2025-02-15T10:18:42.600Z","typicalAgeRange":"11-18","educationalLevel":"VITEEE","assesses":"Mathematics - Harmonic Progressions","educationalAlignment":[{"@type":"AlignmentObject","alignmentType":"educationalTopic","targetName":"Harmonic Progressions"},{"@type":"AlignmentObject","alignmentType":"educationalSubject","targetName":"Mathematics"},{"@type":"AlignmentObject","alignmentType":"educationalExam","targetName":"VITEEE"}],"name":"Quiz about Harmonic Progressions","about":{"@type":"Thing","name":"Mathematics - Harmonic Progressions"},"hasPart":[{"@type":"Question","eduQuestionType":"Multiple choice","learningResourceType":"Practice problem","educationalLevel":"intermediate","name":"Question About Harmonic Progressions","text":"Cos x+y cosx cos x-y are in hp then $$\\frac{cosx*secy}{2}$$ is}","encodingFormat":"text/markdown","comment":{"@type":"Comment","text":"\"\""},"suggestedAnswer":[{"@type":"Answer","position":0,"encodingFormat":"text/markdown","text":"

\$\\sqrt3\$

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":1,"encodingFormat":"text/markdown","text":"

\$\\sqrt2\$

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":2,"encodingFormat":"text/markdown","text":"

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":3,"encodingFormat":"text/markdown","text":"

\$\\frac{1}{\\sqrt2}\$

","comment":{"@type":"Comment","text":"\"\""}}],"acceptedAnswer":{"@type":"Answer","position":1,"encodingFormat":"text/markdown","text":"

\$\\sqrt2\$

","comment":{"@type":"Comment","text":"\"\""},"answerExplanation":{"@type":"comment","text":"The Correct option is(C): 2"}}}]}

Cos x+y cosx cos x-y are in hp then \(\frac{cosx*secy}{2}\) is

The Correct Option is B

Solution and Explanation

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