Mid-Chapter Quiz: Lessons 5-1 through 5-3
Find the value of each expression using the given information.
and cos , cot = 4, cos > 0
1. sin
ANSWER:
,
2. sec
and sin
=
, tan
, csc
>0
ANSWER:
,
3. tan
and csc
=
, cos
, sin
>0
ANSWER:
,
Simplify each expression.
5.
ANSWER:
2
tan x
Verify each identity.
10.
–
= –2 tan
ANSWER:
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2
2
2
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5.
ANSWER:
2
Mid-Chapter
Quiz: Lessons 5-1 through 5-3
tan x
Verify each identity.
10.
–
= –2 tan
ANSWER:
11. csc2
2
– sin
2
– cos
2
– cot
=0
ANSWER:
12. sin
+
= csc
ANSWER:
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13.
= sec
– tan
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Mid-Chapter Quiz: Lessons 5-1 through 5-3
12. sin
+
= csc
ANSWER:
13.
= sec
– tan
ANSWER:
15.
+
=
ANSWER:
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Mid-Chapter Quiz: Lessons 5-1 through 5-3
15.
+
=
ANSWER:
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