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" (iii) tan "9^(@)*tan27^(@)*tan45^(@)*t...

" (iii) tan "9^(@)*tan27^(@)*tan45^(@)*tan63^(@)*tan81^(@)=1

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tan9^(@)-tan27^(@)-tan63^(@)+tan81^(@)=

tan9^(@)-tan27^(@)-tan63^(@)+tan81^(@)=?

The value of tan 10^(@)* tan20^(@)*tan45^(@)*tan70^(@)*tan80^(@) =_________

Statement-1: sin^(2)6^(@) + sin^(2)12^(@) + sin^(2)18^(@) +……..+ sin^(2)84^(@)=7 Statement-2: tan9^(@) tan27^(@) tan45^(@) tan36^(@) tan81^(@)=1 Statement-3: (tan(pi/4) + cot(pi/4) + " cosec " pi/4) (tan(pi/4) + cot(pi/4) - " cosec "pi/4) = sec ^(2)pi/3

Statement-1: sin^(2)6^(@) + sin^(2)12^(@) + sin^(2)18^(@) +……..+ sin^(2)84^(@)=7 Statement-2: tan9^(@) tan27^(@) tan45^(@) tan36^(@) tan81^(@)=1 Statement-3: (tan(pi/4) + cot(pi/4) + " cosec " pi/4) (tan(pi/4) + cot(pi/4) - " cosec "pi/4) = sec ^(2)pi/3

tan9^(0)-tan27^(0)-tan63^(@)+tan81^(@)

tan9^(@)+tan36^(@)+tan9^(@)tan36^(@)=1

Find tan15^(@).tan25^(@).tan45^(@).tan65^(@).tan75^(@) .

tan 9^(@) - tan 27^(@) - tan 63^(@) + tan 81^(@) =