Question

If sec theta + tan theta=x, then find tan theta​

Answer 1

Answer:

sec2^@-tan2^@=1

(sec@-tan@)(sec@+tan@)=1

x(sec@-tan@)=1

sec@-tan@=1/x. ....1

sec@+tan@=x. ....2

from 2 and 1 (2️⃣-1️⃣)

2tan@=x-1/x

tan@=(x*2-1)/2x