Question

if sec4A = cosec(A-25) where 4A is acute angle find the value of A​

Answer 1

Answer:

A=23°

Step-by-step explanation:

Sec4A=Cosec(A-25)

Cosec(90-4A)=Cosec(A-25)

90-4A=A-25

90+25=A+4A

115=5A

So, A=23°