( by using the formula 
here A=2A) 
(using 
here A=2A)
(using 
here A=2A)
( using here A=2A )If tana=a then find sin4a-2sin2a/sin4a+2sin2a
pls. give me answer...
Mathematics, 18.01.2020 18:31 huwoman
If tana=a then find sin4a-2sin2a/sin4a+2sin2a
pls. give me answer
Answers: 3
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