Question

Let α and β be such that α+β=π. If $\cos\alpha=\frac{1}{\sqrt2}$, then the value of cot (β-α) is

• A. ∞
• B. 1
• C. $\frac{1}{2}$
• D. $\frac{1}{4}$
• E. 0

Answer 1

Answer: (E)

0

Answer 2

The correct option is (E): 0