Question

If sin (A + B + C) = 1, tan (A - B) =
1
V3
and sec (A + C) = 2, then find the values of the angles A, B and C in
degrees.
( )
30, 60,0
()
45, 45, O
O 60,30,0
45, 15, 30​

Answer 1

Answer:

these are not of my standard