If 32 sin^6 x = 10 - 15cos2x + b cos4x - a cos6x then prove ,
tan x tan5x = (a+b-5)/(a-b+7)
If 32 sin^6 x = 10 - 15cos2x + b cos4x - a cos6x then prove ,
tan x tan5x = (a+b-5)/(a-b+7)
tan x tan5x = (a+b-5)/(a-b+7)
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