Question

It $x=acos2t,y=bsi{n}^{2}t,then\frac{d^{2}y}{d{x}^2}$is equal to

• A. $\frac{a}{b}cos2t$
• B. 0
• C. 1
• D. $\frac{b}{a}cos2t$

Answer 1

Answer: (B)

Correct answer is (b) 0