(8)sqrt((1+cos30^(@))/(1-cos30^(@)))

Prove that sqrt((1+cos30^(@))/(1-cos30^(@)))=sec 60^(@)+tan60^(@) .

Prove that sqrt((1+cos 390^(@))/(1-cos 30^@)) = tan 60^@ + sec 60^@

((tan60^(@)+1)/(tan60^(@)-1))^(2)=(1+cos30^(@))/(1-cos30^(@))

Prove that : ((tan60^(@)+1)/(tan60^(@)-1))^(2)=(1+cos30^(@))/(1-cos30^(@))

Prove that sqrt((1+cos30^@)/(1-cos30^@))=sec 60^@+tan 60^@ .

What is the value of (sin30^(@)+cos30^(@))/(cos30^(@)-sin30^(@)) ?

sqrt((1+cos30)/(1-cos30))=sec60+tan60

cos 15^(@) =............. A) sqrt((1+cos 30^(@))/(2)) B) sqrt((1-cos 30^(@))/(2)) C) pm sqrt((1+cos 30^(@))/(2)) D) pm sqrt((1- cos30^(@))/(2))

((cos30^(@)+sin60^(@))/(1+cos60^(@)+sin30^(@)))=(sqrt(3))/(2)

Let x =(log_(sin 30^(@))cos 30^(@))(log_(cos30^(@))cot30^(@)) (log_(cot 30^(@))coses 30^(@)) and y = 3^(log_(cot 30^(@))(|x|+3)) then value of y is equal to-