Trigonometric Identities Worksheet With Answers Page 2
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25 is in the first quadrant,
is positive.
Since
13-1 Trigonometric Identities
Thus,
.
4. If
, find csc θ.
SOLUTION:
Since
is in the first quadrant,
is positive.
Thus,
.
Rationalize the denominator.
Simplify each expression
2
5. tan θ cos
θ
SOLUTION:
2
2
6. csc
θ – cot
θ
SOLUTION:
7.
SOLUTION:
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