Question

Tan a +cot a=sec a *cosec a​

Answer 1

Step-by-step explanation:

Tan A + cot A = sec A *cosec A

Sin A /cos A + cos A /sin A = L.H.S

sin²A + cos²A/sin A*cos A = L.H.S

Sin²A + Cos²A = 1

1/sin A * cos A = L.H.S

cosec A * sec A = L.H.S

R.H.S = L.H.S