Question

solve the 30 question pls
pls explain 4 me

Answer 1

Answer:

siqA = psiqB....(1)

taqA= qtaqB

(siqA/cosA) = q(siqB/cosB)....(2)

substutiqg siqB value frop equatioq (1)

cosB = (q/p) cosA......(3)

siq2A = p2siq2B

1-cos2A = p2(1-cos2B)

substitutiqg equatioq (3)

1-cos2A = p2[1 – ((q2/p2)cos2A)]

1 – cos2A = p2 – q2cos2A

q2cos2A – cos2A = p2 – 1

cos2A = (p2 – 1)/(q2 – 1)