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(iv)1+tan² A /1+ cot²A =
(A) sec² A
(B) -1
(C) cot² A
(D) tan² A​

By Allison

(iv)1+tan² A /1+ cot²A =
(A) sec² A
(B) -1
(C) cot² A
(D) tan² A​

About the author
Allison

37. Let A = { x1x2 + (m – 1)x – 2(m + 1)=0, x ER}
B = { x1(m – 1)x2 + mx + 1 = 0, x = R}
Number of values of m such that

dhruv brought 3metre cloths for 270 rs. what is the cost of 7m cloths​

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