Similar Triangles, Right Triangles, And The Definition Of The Sine, Cosine And Tangent Functions Of Angles Of A Right Triangle Worksheets With Answer Key Page 43
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43TRIGONOMETRIC EQUATIONS
π
3
θ
π
θ
π
π
=
+
=
+
=
±
±
188.
2
n
,
2
n
,
n
, 0
, 1
, 2
4
4
π
3
θ
π
π
θ
π
=
+
=
+
=
±
±
=
±
±
189.
n
,
n
, 0
, 1
, 2
190.
n
,
n
, 0
, 1
, 2
4
2
4
5
θ
π
π
θ
π
π
=
+
=
+
=
±
±
191.
2
n
,
2
n
,
n
, 0
, 1
, 2
3
3
π
π
2
4
5
2
4
5
θ
π
π
π
θ
π
π
π
π
=
=
192.
193.
,
,
,
, 0
,
,
,
,
3
3
3
3
3
3
3
3
π
5
5
11
4
17
11
23
θ
π
π
π
π
π
π
π
=
194. no solution
195.
,
,
,
,
,
,
,
3
12
6
12
3
12
6
12
π
5
7
11
2
4
θ
π
π
π
θ
π
π
θ
=
=
=
196.
,
,
,
197.
,
,
0
6
6
6
6
3
3
π
5
7
11
3
θ
π
π
π
θ
π
θ
=
=
=
198.
,
,
,
199.
,
0
6
6
6
6
2
π
π
3
5
3
7
11
15
θ
π
π
θ
π
θ
π
π
π
π
=
=
=
200.
, 0
,
,
,
,
201.
,
,
,
2
2
4
4
8
8
8
8
π
2
5
5
11
5
7
11
13
17
θ
π
π
π
π
θ
π
π
π
π
π
=
=
202.
,
,
,
203.
,
,
,
,
,
3
6
3
6
9
9
9
9
9
9
π
5
θ
π
=
θ
π
=
θ
θ
=
=
204.
, 0
205.
,
206.
207.
0
0
6
6
- 43 -
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