Question

(sin A + cosec A)2 + (cos A + sec A)2 = 7 + tanº A + cot2 A
[Hint : LHS = (sin2 A + cos2 A) + (cosec- A + sec2 A) + 4
= 1 + (1 + cot2 A + 1 + tan2 A) + 4 = 7 + tan? A + cot? A = RHS.]​

Answer 1

Step-by-step explanation:

after sin and cosec their is 2 or their is square of bracket