Question

7. If 6x=secӨ and 6/x=tanӨ then find the value of (X2-1/X2)

Answer 1

x = 1/6 secӨ

1/x = 1/6 tanӨ

x^2 - 1/x^2 = 1/36 (sec^2Ө - tan^2Ө) = 1/36