Question

$\frac{\sin (-660°)\tan (1050°)\sec (-420°)}{\cos (225°)cosec(315°)\cos (510°)}$ =

• A. $\frac{\sqrt{3}}{4}$
• B. $\frac{\sqrt{3}}{2}$
• C. $\frac{2}{\sqrt{3}}$
• D. $\frac{4}{\sqrt{3}}$

Answer 1

Answer: (C)

Substitute the corresponding values.