Find the least value of `sec A+secB+secC` in an acute angled triangle

Find the least value of sec A+sec B+sec C in an acute angled triangle

Find the least value of secA+secB+secC in an acute angled triangle.

Find the least value of secA+secB+secC in an acute angled triangle.

The minimum value of tan B tan C in an acute angled triangle ABC is

Naming triangles by considering the measures of their angles acute triangle A triangle whose all the angles are acute is called an acute- angled triangle or an acute triangle.

Prove that in an acute triangle ABC,the least values of Sigma sec A and Sigma tan^(2)A are 6 and 9 respectively.

Prove that in an acute angled triangle ABC, the least values of Sigma secA and Sigma tan^2 A are 6 and 9 respectively.

In an acute angled /_ABC, the least value of sec A+sec B+sec C is