Question

If
cos 3A = sin 45, then the value
of tan 2A​

Answer 1

Answer:cos A = cos (90 - 45), 3A = 45 => A = 15, 2A = 30, Tan 2A = tan 30 = 1/root 3,

Step-by-step explanation:

Answer 2

Answer:

1/(3)^1/2

this is the answer