Practicing Success
What will be the value of \(\frac{sin30^0 sin40^0 sin50^0 sin60^0}{cos30^0 cos40^0 cos50^0 cos60^0}\) |
\(\frac{1}{\sqrt {2}}\) \(\frac{\sqrt {3}}{2}\) 1 0 |
1 |
\(\frac{sin30^0}{cos30^o}\) = tan30º Similarly tan30º.tan40º.tan50º.tan60º = 1 |