What is the value of θ , 2 cos 300 x sin 300 = sinθ ?
Answers
Answered by
1
Step-by-step explanation:
We know that
300
∘
is in the fourth quadrant, where cosine is positive.
300
∘
has a reference angle of
60
∘
, since it is
60
∘
away from the
x
-axis.
Since
cos
(
60
∘
)
=
1
2
, we know that
cos
(
300
∘
)
=
1
2
as well since
cos
(
θ
)
>
0
in the fourth quadrant
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