tan o
coto
+
(1+tan202 (1+cot202
sin cos o
202
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Answered by
0
Answer:
Step-by-step explanation:
tan160
o
−tan110
o
=tan(160
o
−110
o
)=tan50
o
=cot40
o
=
tan40
o
1
=
1−tan
2
20
o
2tan20
o
1
=
2p
1−p
2
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