Page 65 - ISC-12

Matching-List & Matching-Matrix Type Jai Baba Ki7

7. Match the following two lists:

List-I List-II

" # 1/2
−1 −1 2 r
1 cos (tan y) + y sin (tan y) 1 5
(P) + y 4 takes (1)
−1
−1
y 2 cot (sin y) + tan (sin y) 2 3
value

√
(Q) If cos x + cos y + cos z = 0 = sin x + sin y + sin z, then (2) 2

x − y
possible value of cos is
2

π 1

(R) If cos − x cos 2x + sin x sin 2x sec x (3)
4 2
π

= cos x sin 2x sec x + cos + x cos 2x, then possible
4
value of sec x is

√ √
−1
2
(S) If cot sin −1 1 − x = sin tan (x 6), x 6= 0, then the (4) 1
possible value of x is

(P) (Q) (R) (S)

(A) (4) (3) (1) (2)
(B) (4) (3) (2) (1)

(C) (3) (4) (2) (1)

(D) (3) (4) (1) (2)

[JEE 2013]