Question

if Sin 4A = cos (A +B), where 4A is an acute angle. Find the value of A.​

Answer 1

Answer:

Step-by-step explanation:

                   when sinФ = cos Ф

                then Ф = π/4

         so 4A =π/ 4

        and A = π/ 16

              hope u get it mate n let me know..................................