Precalculus Memory Chart
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1Memory Chart
Precalculus
Name ______________________
degrees 30
45
60
0
90
180
270
360
radians
sin(θ)
cos(θ)
tan(θ)
cot(θ)
sec(θ)
csc(θ)
(θ)
Sin
ALL
Csc(θ)
Tan(θ)
Cos(θ)
Cot(θ)
Sec(θ)
Reciprocal Identities:
sin
(
)
cos(
)
1
1
Tan(θ) =
Cot (θ) =
Sec (θ) =
Csc(θ) =
cos(
)
sin(
)
cos(
)
sin
)
1
1
Tan(θ) =
Cot(θ) =
cot(
)
tan(
)
Pythagorean Idnetities
2
(θ) + cos
2
(θ) = 1
2
(θ) = cos
2
(θ)
2
(θ) = sin
2
(θ)
sin
1-sin
1-cos
2
2
2
2
(θ) = csc
(θ)
(θ) + 1 = sec
(θ)
1 + cot
tan
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