1.

If \(2x = \sin \theta \) and \(\frac{2}{x} =\cos \theta \), then the value of \(4\left( {{x^2} + \frac{1}{{{x^2}}}} \right)\) is:

A. 1
B. 0
C. 2
D. 4
Answer» B. 0


Discussion

No Comment Found