Question

If 2mn sin 0 = (m? – n?) cos e, then sin 0​

Answer 1

Answer:

sinx=2mn/(m^2+n^2)

cot = cos \div sincot=cos÷sin

(sinx*cotx)/cosx=1

LHS

(sinx*cosx/sinx)cosx

= 1

Step-by-step explanation:

hope it helps u.