2 answers:
Answer:
Step-by-step explanation:
M= -6
-6 + 8 = 2
4/2 is the same thing as 4/2 Lol
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X=1, y=-2--------------------------
Answer:
x=π/2 ,3π/2
Step-by-step explanation:
cot x(csc x+1)=0
either cot x=0
tanx=∞=tan (π/2)
x=π/2
or csc x=-1
or sin x=-1=-sin (π/2)=sin (π+π/2)=sin (3π/2)
x=3π/2
Answer:
1) 20: 25
2) 15: 3
Step-by-step explanation: