Question

please explain me l know the ans but don't know how to slove..
please explain me​​

Answer 1

Step-by-step explanation:

(a³+a-²)a²-3a)a⁵+pa⁴-3/a+q

secA - 2 = 0

=> secA = 2

=> 1/CosA = 2

=> 2CosA = 1

=> CosA = 1/2

=> A = 60

tan 3A-1 = 0

=> tan3A = 1

=> 3A = 45 or 225

=> A = 45/3 or 225/3

=> A = 15 or 75

A = 15 , 60 , 75

Answer 2

Step-by-step explanation:

the correct way while his first flight was in his second week