Sine and Cosine of Complementary Angles
Precalculus · Flashcards
PRECALCULUS · FLASHCARDS
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QUESTION
Identify the value of
tan
(
θ
)
\tan(\theta)
tan
(
θ
)
if opposite
=
7
=7
=
7
and adjacent
=
4
=4
=
4
for acute
θ
\theta
θ
.
QUESTION
What is the definition of
s
i
n
(
θ
)
sin(\theta)
s
in
(
θ
)
in a right triangle for acute
θ
\theta
θ
?
QUESTION
What does similarity imply about ratios of corresponding sides in similar triangles?
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ANSWER
Corresponding side ratios are equal (a constant scale factor). Similar triangles have proportional sides with the same ratio.
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