The Basic Trig Identities Worksheet
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2
3A 3-1
Name ______________________________
Date______________
WORKSHEET - THE BASIC 8 TRIG IDENTITIES
Simplify each expression to a single trig function or number.
1. sec θ sin θ
2. cos θ tan θ
2
2
2
3. tan
θ – sec
θ
4. 1 – cos
θ
5.
1 (
cos
)(
1
cos
)
6.
(sec
x
1
)(sec
x
) 1
−
θ
+
θ
−
+
2
1
1
sin
θ
7.
8.
1
−
−
2
2
2
tan
sin
A
tan
A
θ
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