Question

if 3x=sec0 and 3/x=tan 0find the value of 9 (x^2=1/x^2​

Answer 1

Step-by-step explanation:

tan 2 θ=sec 2 θ−1

=(x+ 4x1 ) 2 −1

=(x+ 4x1 ) 2

∴tanθ=±(x− 4x1 )

=(x− 4x1 )or( 4x1 −x)