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secx = -2/√3 യുടെ പ്രഥമ പരിഹാരങ്ങൾ ഏത് ?

A5∏/4, 7∏/4

B5∏/6, 4∏/6

C5∏/6, 7∏/6

D3∏/4, 5∏/4

Answer:

C. 5∏/6, 7∏/6

Read Explanation:

sec x = -2/√3 => cosx= -√3/2 ∏-∏/6 , ∏+∏/6 =5∏/6 , 7∏/6


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