2sec²A+ 4cosec²A - 2tan²A - 4cot²A find solution,

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2sec²A+ 4cosec²A - 2tan²A - 4cot²A find solution

Answer:

B. 6

Read Explanation:

$sec^2A=1+tan^2A$

$cosec^2A=1+cot^2A$

$2(1+tan^2A)+4(1+cot^2A)-2tan^2A-4cot^2A$

$2+2tan^2A+4+4cot^2A-2tan^2A-4cot^2A$

$(2+4)+(2tan^2A-2tan^2A)+(4cot^2A-4cot^2A)$

$6+0+0+=6$

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