Question

If secθ+tanθ=p, then find the value of secθ-tanθ

Answer 1

Here we have secθ+tanθ=p

now we know that sec²θ-tan²θ=1

so, sec²θ-tan²θ=1
(secθ-tanθ)(secθ+tanθ)=1
(secθ-tanθ)(p)=1
secθ-tanθ=1/p