Question

If m 2 + m ′ 2 + 2 m m ′ cos θ = 1, n 2 + n ′ 2 + 2 n n ′ cos θ = 1 , and (m n ′ + m ′ n) = cos θ = θ , then prove that m 2 + n 2 = cosec θ.

Answer 1

Answer:

I am not getting it

please mark me as brainliest answer.

Answer 2

HOPE IT HELPS YOU DEAR HAVE A GOOD DAY