1.
If and are the angles of a triangle and

then the triangle must be
2.
Let where Then, which of the following is not correct?
3.
is equal to
4.
If and
then  is a polynomial of degree
5.
If and the system of equations 0 is consistent, then the possible real values of are
6.
The value of is
7.
If is an invertible matrix, then is equal to
8.
If then is equal to
9.
If is equal to
10.
If then the value of is