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About LinkBacksrectangular coordinates: (6, -8)
ok i got r=10 which im pretty sure is right but im unsure about q.
q=tan-1(y/x)
so i got q= -53.13)
but i checked it on a conversion thing and it said q is like 307??? what did i do wrong
rectangular coordinates: (6, -8)
ok i got r=10 which im pretty sure is right but im unsure about q.
q=tan-1(y/x)
so i got q= -53.13)
but i checked it on a conversion thing and it said q is like 307??? what did i do wrong
Hello tomatoesYour answer is OK, but if you need to give an angle betweenOriginally Posted by tomatoes
and
, then you'll need to subtract
from
, which is where the
comes from.
There are two values ofin the range
for which
. They are (to the nearest degree)
and
. Since
is in the fourth quadrant, the answer you want is
.
Grandad
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