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Mathematics
Problem
Which one of the following ordered pairs
(
sin
θ
,
cos
θ
)
(\sin\theta,\cos\theta)
(
sin
θ
,
cos
θ
)
can represent the trigonometric values of the same acute angle
θ
\theta
θ
? a)
(
1
2
,
1
2
)
\left(\dfrac{1}{2},\;\dfrac{1}{2}\right)
(
2
1
,
2
1
)
b)
(
3
5
,
16
25
)
\left(\dfrac{3}{5},\;\dfrac{16}{25}\right)
(
5
3
,
25
16
)
c)
(
3
5
,
4
5
)
\left(\dfrac{3}{5},\;\dfrac{4}{5}\right)
(
5
3
,
5
4
)
d)
(
2
5
,
4
5
)
\left(\dfrac{2}{5},\;\dfrac{4}{5}\right)
(
5
2
,
5
4
)
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