P x 2 Q x x 2 5 Equate the value of PQ in 2 3 and 2 4 and

Last updated: 2/19/2023

P x 2 Q x x 2 5 Equate the value of PQ in 2 3 and 2 4 and make cos a B the subject of the formula 2 6 Use the results obtained in 2 5 to show that cos a B cos a cos sina sin 3 3