Answer:
9x
Step-by-step explanation:
it the same just with numbers next to them
105
l is parallel m so angle 3+angle 6=180
after you draw a unit circle you will find the answer
cosec(3pi)=1/sin(3pi)
sin3pi=sinpi=0
so cosec3pi=1/0 which is undefined.
-7
x+3y
Let x =2 and y = -3
2 +3(-3)
2 -9
