Question

if sin3a=cos(A-26)where3A is an acute angle find the value of a​

Answer 1

here's..........

........m

Answer 2

Answer:

29

Step-by-step explanation:

sin3a = cos(A-26)

sin3a = sin{90-(A-26)}

3a = 90-A+26

3a+a = 116

4a = 116

a = 29