Prove that. 1-tan 2 degree / 1 + tan 2 degree =tan 43 degree
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Answered by
1
Answer:
take 1 as tan45 then u will get in the form of tan(a-b) I =tan43
Answered by
0
Step-by-step explanation:
tan 47°/cot 43° =1
LHS
(as tan 47°=cot(90°-47)
cot43°/cot43°
=1
LHS=RHS
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