Which of the folloving statements is the most precise and corred to define perpendicular lines?
1 answer:
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Answer:
Step-by-step explanation:
b.
an=an-1+3
C.
when x=15
y=3×15-2=45-2=43
a15=43
It is true only whenever x tends to 0(zero)
it is not importent that x be in radian or in degree.