Prove
Asked by | 27th Aug, 2008, 09:03: PM
Expert Answer:
we kno;w that tan(a+b)= ( tana + tanb ) / (1-tana tanb)
put a=30o and b= 15o
tan45 = 1 = (tan30+tan15) / (1-tan30 tan15)
(tan30+tan15) = 1-tan30 tan15
tan30 tan15 + tan30+tan15 =1
Answered by | 8th Sep, 2008, 06:03: PM
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