Question

If secθ-tanθ=k, then the value of secθ+tanθ is:​

Answer 1

Answer:

1/k

Let sec∅+tan∅= x . ........(1)

sec∅ - tan∅ = k ........(2)

Multiply (1) and (2) ....

(sec∅+tan∅)(sec∅ - tan∅ )= x.k

scc²∅- tan²∅ = x.k

1 = x.k

x = 1/k

sec∅+tan∅= 1/k