Sin(70+80) = sin 150.......................
Answer:
=-42+3-3
=-42-3+3
=-45+3
=-42
Step-by-step explanation:
this is the correct answer
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This is hard to solve when we don't know the visual graph this question is trying to refer from
Answer:
8) answer=5 9)answer=15
Step-by-step explanation:
all you have to do is replace in the following formula

Where
X1: is the first number of the first point
Y1: is the second number of the first point
X2: is the first number of the second point
Y2: is the second number of the second point
you replace in the formula and solve
I attach solution