what is minimum value of sec² ∅+ 2 cosec² ∅
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SInce y∝(1/sin^2 2x), y is lowest when sin^2 2x is highest and vice vesa. The highest value of sin^2 2x=1, ... Hence minimum value of sec^2X+cosec^2X is 4.
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8 sec²∅+ 2 cosec²∅.
Minimum value
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Answer:
minimum value is...11
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