Question

if A=30,then verify ​
​

Answer 1

Answer:

hence, verified

Step-by-step explanation:

L.H.S. = tan 30° = 1/√3

R.H.S. √ 1 - cos²A/ cos A

            √sin² A/ cos A

           √ sin² 30° /cos 30°

           √ (1/√2)²/ √3/2

          √ 1/2  x 2/√3

          √1/3

           1/√3       (√1 = 1)

       L.H.S. = R.H.S.

Hence, it's verified