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" 7."sum(r=1)^(89)log(3)(tan r^(@))=...

" 7."sum_(r=1)^(89)log_(3)(tan r^(@))=

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The value of sum_(r=1)^(89)log_(10)(tan((pi r)/(180))) is equal to

If a_(1),a_(2),a_(3),……a_(87),a_(88),a_(89) are the arithmetic means between 1 and 89 , then sum_(r=1)^(89)log(tan(a_(r ))^(@)) is equal to

If a_(1),a_(2),a_(3),……a_(87),a_(88),a_(89) are the arithmetic means between 1 and 89 , then sum_(r=1)^(89)log(tan(a_(r ))^(@)) is equal to

If a_(1),a_(2),a_(3),……a_(87),a_(88),a_(89) are the arithmetic means between 1 and 89 , then sum_(r=1)^(89)log(tan(a_(r ))^(@)) is equal to

If a_(1),a_(2),a_(3),……a_(87),a_(88),a_(89) are the arithmetic means between 1 and 89 , then sum_(r=1)^(89)log(tan(a_(r ))^(@)) is equal to

The value of sum_(r=1)^(89)log_(10)(tan((pir)/180)) is equal to

if h(x)=log_(10)x, then the value of sum_(n=1)^(89)h(tan n^(@))

sum _(k =1) ^(89) log _(e) tan ((pik)/(180)) is equal to

If a_(n)=sum_(r=1)^(n)log_(e)(a^(r));a>0&S_(n)=sum_(r=1)^(n)a_(r) then minimum value of n such that sum is greater than 1335log_(e)a^(n) is

The sum of the series sum_(r=0)^(oo)(log_(3)(e^(2^(r))))^(-1) is equal to