Q. Match the items of List-I with those of List-II related to trigonometric identities and equations:
| List-I | List-II |
|---|---|
| (a) The number of real solutions of sin2x + cos2x = 1 + sin2x in [0, 2π] | (P) 2 |
| (b) Value of tan15° + tan75° − tan45° | (Q) 1 |
| (c) Number of solutions of tanx = √3 in [0, 3π] | (R) 3 |
| (d) Number of real solutions of the equation cos−1(x) + sin−1(x) = π/2 | (S) Infinite |
| (T) 0 |
1
a → T, b → Q, c → R, d → S
2
a → P, b → Q, c → R, d → S
3
a → T, b → Q, c → P, d → R
4
a → P, b → R, c → Q, d → T