Question

Topic - Straight line and Trigonometry

Que - The equation of
$\sf y = sin x .sin(x + 2) - {sin}^{2}(x + 1)$
represents a straight line lying in which quadrant

1. 2nd and 3rd
2. 1st , 2nd and 4th
3. 1st , 3rd , 4th
4. 3rd and 4th ​

Answer 1

Answer:

4

Step-by-step explanation:

3rd and 4th quadrant is the correct answer