Question

find the valeu of
tan20° +tan 25°/1 - tan 25° × tan 20°​

Answer 1

As it is looking like

$\sf tan (A + B) = \dfrac{tan A + tan B }{1 - tan A × tan B}$

So by comparing given equation with the above

We get,

A = 20°

B = 25°

So the Answer would be

tan ( 20° + 25 )

tan 45° = 1 Ans...