Question

if X cos A is 1 then tan A is y find the value of xsquare -y square​

Answer 1

Answer:

Let A = x

Step-by-step explanation:

$x \: cosa \: = 1 \\ x = \frac{1}{cosa} = sec \: a \\ also \: y \: = tan \: a \\ now \: {x}^{2} - {y}^{2} \\ = {sec \: }^{2} a \: - {tan}^{2} a \\ 1$