Show that:` cot16^@*cot 44^@+cot44^@*cot76^@-cot76^@*cot16^@=3`
Channel: Doubtnut
Date: 05/04/2020

Show that:` cot16^@*cot 44^@+cot44^@*cot76^@-cot76^@*cot16^@=3`