Answer:
C. I took the quiz
Step-by-step explanation:
You get 2m+m-3n which simplifies to 3m-3n
Step-by-step explanation:
here ,

now,
cosec(2-45°)=2
or,
1/sin(2-45°) =2
or,
1/sin2cos45°-cos2sin45=2
or,

or,
sorry I have that much qualifications to work on this question and hoping this much will make bit easy for you to solve it further
Answer:

Step-by-step explanation:

Its geometric as you are multiplying by -3 each time