The pronoun "its" refers back to the singular noun "collection," but the sentence implies that each individual novel has its own story. Therefore, "its" should be plural to agree with the antecedent "collection of vintage novels."
cos A (sec A – cos A) (cot A + tan A) = ?
The angle of elevation of the top of a 70 feet tall tower from the initial position of a person on the ground was 30°. She walked towards the tower in ...
If θ is a positive acute angle and cos² θ + cos⁴θ = 1, then the value of tan²θ + tan⁴θ is?
which of the following is equal to [(tan θ +secθ -1)/ (tanθ-secθ +1)]
From a point on the ground, the angle of elevation of the top of a building is 45°. After walking 10 meters towards the building, the angle of elevatio...
What is the value of [tan2 (90 – θ) – sin2 (90 – θ)] cosec2 (90 – θ) cot2 (90 – θ)?
...sin10˚ x sin20˚ x sin40˚ =?