Question

tan 2 theta÷1+sec 2 theta= tan theta​

Answer 1

Answer:

easily proved (here in my ans. @is theta

Step-by-step explanation:

tan 2 theta÷1+sec 2 theta= {(sin 2@\cos 2@)} \

{(cos 2@+1)\cos 2@}

so now use two formulas and directly get ans.

sin 2@= 2sin @ cos@

1 + cos 2@= 2 cos^2@