If A = 5º, then the value of the ex...
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If ( A=5^{circ}, ) then the value of the expression ( left(frac{sec A}{1-4 sin ^{2} A}+frac{cos e c A}{4 cos ^{2} A-1}right)^{2} ) is
(A) 6
(B) 8
(C) 16
(D) 24

JEE/Engineering Exams
Maths
Solution
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If A = 5º, then the value of the expression (sec A/1-4sin²A + cos A/4cos²A-1) is
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The correct option is (D) 24. Check complete answer given above.

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