IIT-JEE
Exam
The number of solutions of the pair of equations
2 sin^2θ − cos^2θ = 0
2 cos^2θ − 3 sinθ = 0
in the interval [0, 2π] is
(A) zero (B) one
(C) two (D) four
Read Solution (Total 0)
IIT-JEE Other Question
A man walks a distance of 3 units from the origin towards the north-east (N 45° E) direction. From there, he walks a
distance of 4 units towards the north-west (N 45° W) direction to reach a point P. Then the position of P in the Argand
plane is
The number of distinct real values of λ, for which the vectors − λ^2ˆi + ˆj +ˆk , ˆi − λ2 ˆj +ˆk and ˆi + ˆj − λ2ˆk are
coplanar, is
(A) zero (B) one
(C) two (D) three