Answer:
Step-by-step explanation:
11. identity property
12. associative property
13. commutative property
14. zero property
Answer:
What the first person said
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