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Goten77Best ResponseYou've already chosen the best response.0
dw:1359868581635:dw i havent dont this for a while but like.... tan(15/2) would get some random number if thats what it wants and or
 one year ago

miley28Best ResponseYou've already chosen the best response.0
the ans is \[2\sqrt{2}(1+\sqrt{3})/\sqrt{3}1\]
 one year ago

miley28Best ResponseYou've already chosen the best response.0
but i need an xplanation for this ans please...
 one year ago

miley28Best ResponseYou've already chosen the best response.0
sorry it is actually whole divided by\[(\sqrt{3}1)\]
 one year ago

enkaBest ResponseYou've already chosen the best response.1
we can obtain value \(\tan 15\) from \[\tan(4530)=\frac{\tan45\tan30}{1+\tan45\tan30} = \frac{1\frac{1}{\sqrt{3}}}{1+\frac{1}{\sqrt{3}}}=\frac{\sqrt{3}1}{\sqrt{3}+1}=2\sqrt{3}\] now, to obtain \(\tan7.5\) we use \[\tan15=\frac{2\tan7.5}{1\tan^27.5}\] which can solve by Quadratic formula
 one year ago
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