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(Solved): help solving Find sin(2x),cos(2x), and tan(2x) from the given information. sin(x)=178,x in Quadr ...
help solving
Find
sin
(
2
x
)
,
cos
(
2
x
)
, and
tan
(
2
x
)
from the given information.
sin
(
x
)
=
17
8
?
,
x
in Quadrant
I
sin
(
2
x
)
=
cos
(
2
x
)
=
tan
(
2
x
)
=
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Expert Answer
We are given that sin?(x)=817Now, we know that ,sin2(x)+cos2(x)=1cos2(x)=1?sin2(x)=1?(817)2=1?64289=225289so, cos?(x)=1517
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