Sine and Cosine of Complementary Angles
Precalculus · Flashcards · Application
PRECALCULUS · FLASHCARDS
Card 1
of 9
0 got it
0 to review
Current
Got it
Still learning
Not seen
QUESTION
What is
cos
(
θ
)
\cos(\theta)
cos
(
θ
)
if
sin
(
θ
)
=
5
13
\sin(\theta)=\frac{5}{13}
sin
(
θ
)
=
13
5
and
θ
\theta
θ
is acute?
QUESTION
Find
c
o
s
(
θ
)
cos(\theta)
cos
(
θ
)
if adjacent
=
12
=12
=
12
and hypotenuse
=
13
=13
=
13
.
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
.
Tap to flip before you grade
ANSWER
tan
(
θ
)
=
7
4
\tan(\theta)=\frac{7}{4}
tan
(
θ
)
=
4
7
. Apply tangent definition: opposite over adjacent.
Swipe → got it · swipe ← still learning
Got it
Still learning
Flip Card
Previous card
Next card