Question

If alpha +bita = 90 °,then cosec square alpha +cosec square bita =

Answer 1

alpha + beta = 90°

alpha = 90° - beta

now,

cosec^2 (alpha) + cosec^2 (beta)

cosec^2 (90° -beta) + cosec^2 (beta)

sec^2 (beta) + cosec^2 (beta)

tan^2 (beta) + cot^2 (beta) + 2