Question

C) With the help of a suitable figure prove that: 1+ tan’9 = sece​

Answer 1

Answer:

hope this answer helps you

Step-by-step explanation:

ANSWER

L.H.S

sec2θ(sec2θ−2)+1

⇒sec4θ−2sec2θ+1

⇒(sec2θ−1)2

We know that

sec2x+tan2x=1

Therefore,

⇒(tan2θ)2

⇒tan4θ

R.H.S

Hence, proved.