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D05 Math
Question 15
2021 April(D05) Math Question 15
Trigonometry
- Pythagorean Theorem & sin cos tan
Trigonometry for Right Triangles
Choice C
t
a
n
50
=
{
x
}
{
15
}
tan\; 50=\frac\{x\}\{15\}
t
an
50
=
x
{
}
{
15
}
∴
x
=
15
×
1.2
=
18
\therefore x=15\times1.2=18
∴
x
=
15
×
1.2
=
18
Skills you are tested for:
Trigonometry for Right Triangles
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