C H A P T E R 5 Analytic Trigonometry
C H A P T E R 5 Analytic Trigonometry
C H A P T E R 5 Analytic Trigonometry
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476 Chapter 5 <strong>Analytic</strong> <strong>Trigonometry</strong><br />
19.<br />
20.<br />
13<br />
12<br />
sin 13<br />
12<br />
cos 13<br />
12<br />
3 <br />
<br />
4 3<br />
3 <br />
sin <br />
4 3<br />
sin 3<br />
4<br />
2<br />
2<br />
2<br />
1 3<br />
4<br />
3 <br />
cos <br />
4 3<br />
cos 3<br />
4<br />
2<br />
2<br />
1<br />
2<br />
7<br />
12 <br />
<br />
<br />
3 4<br />
sin7 12<br />
cos7 12<br />
tan7 12<br />
cos <br />
3<br />
2<br />
2 3<br />
2 <br />
cos <br />
3<br />
3 <br />
cos sin<br />
4 3<br />
3 <br />
sin sin<br />
4 3<br />
1 2 3<br />
<br />
2 2<br />
1<br />
2 2<br />
2 <br />
<br />
4<br />
<br />
sin <br />
3<br />
3<br />
2 2<br />
2 1<br />
2 2<br />
4<br />
<br />
cos <br />
3<br />
<br />
tan <br />
3 4 <br />
3 1<br />
2 3<br />
1 31<br />
2 21<br />
3 <br />
4<br />
<br />
<br />
sin 3 cos 4 cos 3 sin 4<br />
cos <br />
3<br />
2 2<br />
2 <br />
2 23<br />
1<br />
4<br />
3<br />
<br />
<br />
cos 4 sin 3 sin 4<br />
2<br />
1 3<br />
4<br />
tan <br />
3 tan 4<br />
1 tan <br />
tan<br />
3<br />
4<br />
tan 13<br />
12<br />
3 <br />
tan <br />
4<br />
<br />
<br />
tan 3 <br />
4 tan 3<br />
1 tan 3 <br />
4 tan<br />
1 3<br />
1 13<br />
1 3 1 3<br />
<br />
1 3 1 3<br />
4 23<br />
2<br />
2 3<br />
3<br />
3
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