Mathematics
Senior High
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X
2
tan²0-tan²0 sin²0-sin²0
2
(3) (5)= tan²0 (1-sin ²0)-sin ²0
sin 20
cos²0
20
2
= sin ²0-sin ²0 =0
(5)=
0 0 mie.
=
2
·cos²0-sin ²0
tan²0-sin²0 (tan²0
sin 20
cos²0
2
sin ²0
cos²0
+1)
tan²o+
1
cos² the
2
- sin ²0.-
-
Beob
sin 20
cos²0
2
(1) 21
343
64
=0
>0
6800 6nie 3 E
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