The value of the expression \(\tan \left(\frac{1}{2} \cos ^{-1} \frac{2}{\sqrt{3}}\right)\)
A. 2 + √5
B. √5 – 2
C. \(\frac{\sqrt{5}+2}{2}\)
D. 5 + √2
Answer:B
The value of the expression \(\tan \left(\frac{1}{2} \cos ^{-1} \frac{2}{\sqrt{3}}\right)\)
A. 2 + √5 B. √5 – 2 C. \(\frac{\sqrt{5}+2}{2}\) D. 5 + √2