show that 2sin60 x tan30 = 1
(no calc)
sin 60 = sqrt (3) /2
tan 30 = 1 /sqrt 3
So
2 [ sqrt (3) / 2 ] * [ 1 /sqrt (3) ] =
sqrt (3) / sqrt (3) =
1
thanks
Also, remember that tan A= sin A/ cos A.
Thus, we have 2∗√32∗√33=33=1.
Thanks, tertre !!!
No problem !