Asked by sheri
4 csc 2x = 2 csc2 x tan x
Answers
Answered by
Reiny
I read that as
4csc(2x) = (2csc^2 x)(tanx)
LS = 4/cos (2x)
= 4/(2sinxcosx)
= 2/(sinxcosx)
RS = (2/sinx)((1/sinx)(sinx/cosx)
= 2/(sinxcosx)
= LS
4csc(2x) = (2csc^2 x)(tanx)
LS = 4/cos (2x)
= 4/(2sinxcosx)
= 2/(sinxcosx)
RS = (2/sinx)((1/sinx)(sinx/cosx)
= 2/(sinxcosx)
= LS
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