If A greater than 0° and less than equal to 90° then find the minimu – McqOptions

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1.	If A greater than 0° and less than equal to 90° then find the minimum value of (4 cosec2 2A + 9 sin2 2A)?
A.	6
B.	-12
C.	12
D.	-18
Answer» D. -18

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