IMAT 2025 · Question 49
TRIGONOMETRIC EQUATIONS AND INEQUALITIESIMAT 2025 Q491 / 1
Which of the following inequalities is satisfied for every real value of x ?
A
2sin²x − sin x − 1 > 0
B
sin²x + sin x − 2 ≤ 0
C
2cos²x + cos x − 1 < 0
D
tan²x − 2tan x + 1 > 0
E
cos²x − cos x − 2 ≥ 0
Keyboard: A–E to choose, Shift + letter to cross out, Enter to confirm.