Grade 11Trigonometry
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)
1 Answer
Saurabh Koranglekar
Dear student
Please find the link below
https://www.askiitians.com/forums/Trigonometry/if-32-sin-6-x-10-15cos2x-b-cos4x-a-cos6x-t_120208.htm
Regards
Please find the link below
https://www.askiitians.com/forums/Trigonometry/if-32-sin-6-x-10-15cos2x-b-cos4x-a-cos6x-t_120208.htm
Regards
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