find the value of cosecπ/4×cosecπ/3(cosecπ/6-cosecπ/2)
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Answer:
2√6/3 is correct answer
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Step-by-step explanation:
cos pie/4 = cos 45
cos pie/3 = cos 60
cos pie/6 = cos 30
cos pie/2 = cos 90
according to the condition
cos 45 × cos 60×(cos30-cos90)
(1/root2) (1/2)(root 3/2-0)
root 3/2 root 2
1.7/2.8
17/28
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