trikonmiti tan15 °tan36 °tan45 °tan54°tan75 °-1
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tan 54=tan (90-36)=cot 36
tan15=tan (90-75)=cot 75
tan45=1
as we know tanxcotx=1
so tan36cot36=1
tan75cot76=1
so on multiplying all these we get answer 1
from 1 we subtracts 1 and we get 0
so the answer is 0
tan15=tan (90-75)=cot 75
tan45=1
as we know tanxcotx=1
so tan36cot36=1
tan75cot76=1
so on multiplying all these we get answer 1
from 1 we subtracts 1 and we get 0
so the answer is 0
sanasamreen81:
please mark it as brainliest answer please
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