If A, B, C are the angles of a triangle and `e^(iA),e^(iB), e^(iC)` are in `A.P.` Then the triangle must be

If the angles of a triangle are in A.P,a=2, c=4 then b=

If the angles A lt B lt C of a triangle are in A.P, then

If the angles of a triangle are in A.P., a=2 c= 4 , then b=

The angles A,B and C of a triangle ABC are in A.P. If b:c=sqrt(3):sqrt(2) , then the angle A is

If A , B ,C are angles of a triangle, then the value of |[e^(2i A),e^(-i C),e^(-i B)],[e^(-i C),e^(2i B),e^(-i A)],[e^(-i B),e^(-i A),e^(2i C)]| is (a) 1 (b) -1 (c) -2 (d) -4

If A , B ,C are angles of a triangle, then the value of |[e^(2i A),e^(-i C),e^(-i B)],[e^(-i C),e^(2i B),e^(-i A)],[e^(-i B),e^(-i A),e^(2i C)]| is (a) 1 (b) -1 (c) -2 (d) -4

If A , B ,C are angles of a triangles, then the value of e^(2i A)e^(-i C)e^(-i B)e^(-i C)e^(2i B)e^(-i A)e^(-i B)e^(-i A)e^(2i C) is a. 1 b. -1 c. -2 d. -4

If A , B ,C are angles of a triangles, then the value of |[e^(2i A),e^(-i C),e^(-i B)],[e^(-i C),e^(2i B),e^(-i A)],[e^(-i B),e^(-i A),e^(2i C)]| is 1 b. -1 c. -2 d. -4

If A , B ,C are angles of a triangles, then the value of |[e^(2i A),e^(-i C),e^(-i B)],[e^(-i C),e^(2i B),e^(-i A)],[e^(-i B),e^(-i A),e^(2i C)]| is 1 b. -1 c. -2 d. -4