Question

(Cos A + Sin A ):(cos A -Sin A) =(√3+1):(√3-1) find value (Sec A)​

Answer 1

Step-by-step explanation:

2√3 - 1 is a rational , That is , we can find coprime integers a and b ( b ≠ 0 ) such that 2√3 - 1 = a / b