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Grade 88 grade maths

Find minimum value of 16sec^2@ + 9cos^2@.
Logically pls.

Profile image of Seema
10 Years agoGrade 8
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1 Answer

Profile image of Sourabh Singh
ApprovedApproved Tutor Answer10 Years ago
Its like a function 16/x2 +9x2 . Consider this function and try to find out its minimum value . OR use AM >= Gm you will get the answer.