M= -6/5

hope this helped!!

Answer:

, a diagonal matrix is a matrix in which the entries outside the main diagonal are all zero

Step-by-step explanation:

**Answer:**

D = 35

multiply 5 time 7 and you get 35

**Answer:**

see explanation

**Step-by-step explanation:**

is in the fourth quadrant

Where sin and tan are < 0 , cos > 0

The related acute angle is 2π - =

Hence

sin([ ) = - sin() = - = -

cos() = cos() =

tan(= - tan( = - 1

**Answer:**

X=2

**Step-by-step explanation:**