Question

Can u please ans fast?,

Answer 1

Answer:

Answer D

Step-by-step explanation:

When you substitute x and y in the equation you will get $b^{2}a^{2}cos^{2}x   - a^{2} b^{2}tan^{2}x$

Then you can factorize $a^{2}b^{2}$.

Thus we will reach something like $a^{2}b^{2}$ x 1, and the answer is D.