Question

If cot B =12/5, prove that tan² B-sin² B=sin⁴ B sec² B​

Answer 1

Step-by-step explanation:

5²/12²-5²/13²=5⁴/13⁴×13²/12²

(25×169)-(25×144)/24336=625/24336

4225-3600/24336=625/24336

625/24336=625/24336

L.H.S=R.H.S