Trigonometric Identities Worksheet With Answers Page 6
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25Since
is in the first quadrant,
is positive.
Thus,
.
13-1 Trigonometric Identities
10. If
, find tan θ.
SOLUTION:
Since
is in the first quadrant,
is positive.
Thus,
.
11. If
, find cos θ.
SOLUTION:
is in the first quadrant,
is positive.
Since
Thus,
.
12. If tan θ = 2, find sec θ.
SOLUTION:
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Page 6
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